Grip Genie Level 4 33 Stainless steel and wood spring

Stainless steel and wood spring loaded thumb isolation trainer made by grip community legend EatChalkGetBig

Filed grippers are located in numerical order and designated with FILED

It's a professional-grade challenge

Grip Genie's version of the wrist wrench is a wild contraption built to test your wrist strength and to pump your forearms like no other grip tool will

10x thick rubber bands

Grip Genie Level 4 33 Stainless steel and wood springTesting yourself on the GG4 is a sure way to know if you're closing in on that elite gripster status. Hardcore aluminum handles Long lasting steel springs Durable black anodized color Knurling with bite Images used with permission from Grip Genie and may not be reproduced.