Hand Grip Strengthener, Grip Strength Trainer And Finger Exerciser Silicone Adjustable Hand Grip 20-80LB Gripping Ring Finger Forearm Trainer Carpal Expander Muscle Workout Exercise Color:5Pcs each head can be independently

each head can be independently fired

A4 high definition

automatic rebound

Color: Blue luminous

Cooling method: fan

Hand Grip Strengthener, Grip Strength Trainer And Finger Exerciser Silicone Adjustable Hand Grip 20-80LB Gripping Ring Finger Forearm Trainer Carpal Expander Muscle Workout Exercise Color:5Pcs each head can be independentlyUNIQUE DESIGN To bring you more convenience, you can make grip strength training with different strength levels by adjusting the direction of Strengthener. HIGH QUALITY SILICONE MADE This material will give you MAXIMUM PERFORMANCE COMFORTABLE AND DURABLE, perfect design for your hand or your fingers. The whole product is WASHABLE and can be used frequently and comfortably. FITNESS & SPORT ENTHUSIASTS Strengthen your wrists, improve the skill of your