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Forearm Wrist Training Pull Ring Grips Expander

29 reviews
100% of buyers enjoyed this product! 965 orders
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Color: blue / green / orange
Material: silica gel
Function: finger stretcher
Green tension: 3KG/6.6LB
Blue rally: 4KG/8LB
Orange pull: 5KG/11LB

Light weight, durable, easy to carry.
Made of high quality and aging resistant material, durable to use a long time.
It can develop hand strength, increase finger dexterity, promote blood circulation, besides,
deflate tension when working under stressful situations.
Finger Trainer was specifically designed to exercise the muscles & strengthening its expansion, balancing everything that passed exciting.
Compact and efficient, help correct the imbalances caused by excess strengthen your muscles expansion-exciting.

Package includes:
1 x finger stretcher


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Real customer reviews

29 reviews
100% of buyers enjoyed this product!
5 stars
4 stars
3 stars
2 stars
1 star
verifed buyer
7 Mar 2021

works great. when i first got it, i couldn't do the 11lb. after 3 weeks, 11lb is no problem. been looking for something around 100 to 120lbs, but so far can't seem to find anything bigger than the 11lb. It will give you blisters so watch out, put on some band aids or a thin glove if you have soft hands.

verifed buyer
28 Feb 2021

Very pleased with the item by Iron Crush. Out of the box the black ring seemed really heavy but with a bit of work got it going. Really comfortable in the hands. Silicone gives a much smoother press than a regular rubber. Not sure how one of the buyers managed to break the black ring. So far have pressed it hundreds of times and seems unlikely that this item will break. Purple for me is light but brown and black are perfect for higher reps. If they will make heavier ring some day then Ill defenetly will buy. Well worth the money these grippers. Recommend

verifed buyer
25 Feb 2021

I work on the computer on a regular basis now. Over the last year or so, by the end of the day, I notice some strength and dexterity loss. These grip exercisers are an excellent way to regain and maintain hand strength that may be lost with sedentary work. Quality is very good. I suspect that over time the quality will degrade with not only use, but material degradation. These are easily stored and take up little space to keep at a desk. I decided to try these over the spring-loaded type of grip exercisers, simply due to size and storage. I use them at least once a day for 5-10, but I would recommend more often as time allows or scheduled time is planned. I highly recommend these if you are looking to strengthen your hands.

verifed buyer
25 Feb 2021

These are surprisingly hard to bend. I assumed that I would just be using the hardest one and the other two would go to my kid. Not quite. I've had these rings for about a week now and mostly I use the easiest one. At times I switch to the 8lb one. The 11lb I can hardly squeeze all the way. I like the idea that it presents this challenge. I can improve over time and eventually switch to using 80lb ring all the time.

verifed buyer
24 Feb 2021

I have been using these over 3 months now. Using them daily, a lot I would say. The 5 I keep in my car, 4 and 3 are home. Really, using them a lot, when driving always 30 reps one hand then 30 reps another. I've seen durability complains here - I am surprised at the least. The 5 is in my car, Florida heat, the expander is like new, even the logo and resistance prints are not peeling. Only thing i wish is more resistance levels. But anyway I really like these. Best.

verifed buyer
23 Feb 2021

I needed something that I could use to train my grip at work without the annoying squeak of a spring based gripper. These are perfect. Something like "captains of crush" or "heavy grips" are harder for sure but I got these as a supplement to my training. I've been into strength training for years so I do hundreds of reps in the course of a workday. But if you're a beginner, you might want to try the trio that's 3, 4, 5 instead of these. My 67 year old dad and my wife can't close the hardest one (80). They seem very tough and durable. They are silent and the silicone doesn't smell bad or rub off on your hands. Quality product.

verifed buyer
17 Feb 2021

I found that you can build up grip strength fairly quickly if you just make it part of your daily routine. I'm not looking to become the ultimate grip strength badass, but I can tell a difference when I play bass, everything just frets easier since my grip is stronger.

verifed buyer
8 Feb 2021

I'm a bass guitar player and I've been doing some resistance training for a few months so I wanted to increase my grip strength (insert joke here). I also read grip training can lower blood pressure, and I have familial heart disease concerns so that was a bonus. I got 3 of these deals and gave one away, put one in the car, and keep one by the laptop for when I play Civ 6. These things are great, do what you think they do, offer some decent resistance.

verifed buyer
27 Jan 2021

As a bonus, since they're made of rubber, you can use them to invent all sorts of household games where you throw them and try to hook them on stuff. Not that I myself would do that, because I'm a pillar of stoic maturity. Yessir, that's what they call me at the finger painting sessions. Mr. Stoic Maturity.

verifed buyer
25 Jan 2021

Good products, and provide a nice progression for your hand strength development. If you master the hardest one, the company makes another set with even tougher rings. I was surprised at how strong these are - I thought they might be too easy, but you can get a forearm burn just as well with these as with more typical varieties.

verifed buyer
22 Jan 2021

These are great for hand strengthening. I have them in 30-80 pound range. Unlike the hand exercisers with the spring, these allow you to do other exercises as well (see instruction). I use them every day. Great to use when you are on a long trip.

verifed buyer
13 Jan 2021

Wow, I thought I had strong hands. I have used other metal grip strength trainers before and had no trouble doing them with 200lb resistance so I was a little skeptical about these weights being so light. I was wrong, I can only do 2 or 3 reps on the 80lb ring. The 70 is more my speed, and the 60 I could do quite a few. If you think you have a grip of steel, don't be fooled by the weights on these, they are serious business.

verifed buyer
13 Jan 2021

These are a great upgrade to the 30,40,and 50 lb Iron Crush Hand Grips which I already have and I am enjoying the increased resistance in the heavier set.

verifed buyer
16 Dec 2020

This is a 5 star product. I own both sets and would recommend buying the 30-50 set as well. Far superior to the spring style grippers. So versatile for grip and forearm training. Totally silent so you can train anywhere without the annoying squeak of springs. My whole family loves these we own 3 sets. You will not be disappointed.

verifed buyer
26 Nov 2020

...of these over the years. Great grip & love the instructions that gave me exercises that I never knew. Gave a smaller grip to my grandson that had disappointed me for some time. Highly recommend these!

verifed buyer
11 Oct 2020

Wanted to tone/beef up my arms a little bit on fly. These came in yesterday in good condition - very well made. I can do 15 squeezes with my left hand and 20 in my right with the 60. I can’t hardly put a dent in the 70 with my right hand and the 80 is like squeezing a bowling ball. Looking forward to getting my forearms bigger. I think these will do the trick.

verifed buyer
1 Oct 2020

I climb three days a week and these are a great way to help build strength/crack your knuckles. Several of my friends ended up ordering their own set.

verifed buyer
28 Sep 2020

I am an avid rock climber and I used these to help build my finger and forearm strength. Then one day I fell and broke my wrist and partially tore a tendon. These have given me a way to help my recovery and I recommend them for everyone who wants their forearms to look like Tommy Caldwells.

verifed buyer
24 Sep 2020

I like that these are progressively more difficult, and are rated for poundage. The odd thing is that I quickly graduated to the 11 lb version - which I use now - but I can't even budge the 11 lb one with both hands. It feels like there's more than a 8 lb difference between the 11 lb and the 11 lb. Maybe I'll grow into it.

verifed buyer
24 Sep 2020

I like these better than the spring handle grip trainers. The circular shape is fitting since ones middle fingers are longer where the rings are wider and seems to work all fingers equally. I have small forearms, but even so, the purple one can be squeezed more than thirty times in a row. The brown one is more difficult and I can do about twenty reps or squeeze and hold for a maximum of 60 seconds. The black one I can't squeeze completely yet but I am getting there. I think these are just what I need to improve my grip strength. Also, the price is reasonable so I am very happy.

verifed buyer
1 Mar 2019

These are a regular part of my fitness. Strong grip strength is an important part of your everyday life whether you swing a hammer, lift boxes, or carry a heavy brief case. These allow you to target different fingers.

verifed buyer
1 Mar 2019

I really like this product. Unlike conventional mechanical hand grippers that require adjustments for different levels, with Iron Crush you just pick up the level you want. The rubber construction makes them more comfortable to use.

verifed buyer
28 Feb 2019

I loved the way they were simple, solid, and easy to use. Immediately I knew that these rings were something I would continue to use, and so I ordered the stronger set that same week. It has only been two weeks since I have had both sets but my strength has improved as has a nagging wrist injury. The stronger set is a challenge, but I look forward to each workout with the goal of someday handling it easily. I would strongly recommend these simple tools for anyone who wants to improve strength or rehab an injury.

verifed buyer
28 Feb 2019

noticeable strength gain from using these. reduces my wrist pain when working on computer by building up a tolerance. All three sit on my desk, use it every day. Integral part of my daily healthy habits.

verifed buyer
28 Feb 2019

Great for strengthening your fingers and grip. Also I'm typing all day so this helps me exercise my fingers and avoid carpel tunnel.the 60lbs is perfect the 70 reuires a lot of Strength and 80 lbs is impossible to squeeze. I recommend them.

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