Spring Grip Trainer

SPECIFICATIONS Type: A Type Gripper Type of sports: Muscle Relexation Training Site: Waist Choice: yes Material: PP+EVA+Spring Steel Color: Blue,Green,Gray,Red Size: As shown Package Includes: 1PC Hand Grip Strengthener Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Features: 1.Using high-quality sponge, double layer thickening, full particles, and strong sweat absorption.. 2.The spring guard plate can effectively avoid the excessive opening of the grip and prevent Sports injury. 3.Thickened high-quality steel wire with surface rust prevention treatment.