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You get form and function with the Sorinex Hand Grenade. Use it as a multi-faceted grip training tool that also works the forearms, biceps, triceps, shoulders, and back. This unique training tool will allow you to build quickly build ridiculous grip strength.
Available in both 3" and 4" sizes.
Includes strap and carabiner. Note: this product is custom made to order and may take up to 6 weeks for delivery.