Stainless steel spring finger trainer exercise wrist tension equipment finger rehabilitation enhancer flexion and extension fing

Product Name: Finger Trainer

Newly upgraded finger trainer - The wrist strap is made of Lycra breathable fabric, double Velcro, double layer compression, and the tension spring is made of 304 stainless steel. The finger ring and tension spring can be disassembled and replaced

【 Packaging size 】: 111 * 59 * 116mm

Product weight: 121g

【 Product Color 】: Black