Adjustable hand gripper with 5-60 kg resistance for customized training
Precision chrome coil spring ensures consistent resistance and durability
Silicone grip ring with raised nub texture provides a firm, no-slip squeeze
Three resistance levels on finger extensor trainer for targeted muscle training
Wrist strap pairs with finger trainer to add wrist resistance and full coverage
Knuckle roller and stress ball enable fatigue buildup and joint warm-up anywhere
Summarized by Shop
Weak grip is the hidden ceiling on every lift, every rep, every sport. The Rep Theory Grip System is a complete 7-piece training kit that targets your grip, forearms, and fingers from every angle — adjustable resistance, compact design, no filler.