Our high-strength alloy springs are made of customized materials, which are strong and durable. This hand grip strengthener built-in counter let your training more measurable, you can see the progress of yourself. It is an excellent training tool that strengthens your hands, wrist and forearm. Complies with Prop 65. 6.69" H x 4.33" W
Our high-strength alloy springs are made of customized materials, which are strong and durable. This hand grip strengthener built-in counter let your training more measurable, you can see the progress of yourself. It is an excellent training tool that strengthens your hands, wrist and forearm. Complies with Prop 65. 6.69" H x 4.33" W