Inch/Axle Wrench

Inch/Axle Wrench

Inch Wrench 2 3/8" (60mm). Axle Wrench 2" (51mm). Circumference based resistance making it significantly more challenging than a standard rolling handle

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Inch/Axle Wrench Reviews

Based on 3 reviews from Gym Radar users, the Arm Assassin Inch/Axle Wrench have an average rating of 4.89 out of 5. They're currently the #40 most-owned Grip Training on Gym Radar, with 10 home gyms reporting ownership.

3 Reviews

4.89 / 5
Performance
5.00 / 5
Build Quality
4.67 / 5
Value
5.00 / 5

User Reviews

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TeamGupta
TeamGupta's Gym
136 reviews
1515 points
(5.00)
6/14/2026
I bought this specifically to train for King Kong and it is a very challenging grip implement. I can truly understand why folks use it to train for the inch dumbbell. It really wants to rip out of your hand. Like all Arm Assassins products, good surface for chalk, well made and good value.
Performance
Value
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Jables
Baby J's Squeeze Dungeon
48 reviews
764 points
(5.00)
3/1/2026
Anyone looking to lift the Inch must own one of these. Other than the Inch itself, there isn't anything I have found that can replicate its rotational force. This one is of great quality like everything from Arm Assassin.
Performance
Value
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Big Curt
The Denver Strength Bunker
111 reviews
1421 points
(4.67)
2/9/2026
Wrist wrenches are easily the most underrated grip training tool. An absolute must for arm wrestlers and folks who take their incredibly niche grip hobby seriously.
Performance
Value
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