6pcs Silicone Grip Rings 30lb 40lb 50lb for Hand Training

Details

• Hand and finger strengthener--made of premium silicone material, comfortable and durable to use,hand grippers for strengthening
• Silicone hand gripper ring--soft and to skin, comfortable to use,silicone grip strength gear
• Finger strengthener--different color rings to show different strength to squeeze,grip strengthener
• Hand muscle strengthener--suitable for white-collar worker, teacher, elders, student, and etc,grip exerciser
• Thumb strengthener--exercise and strengthen hands, fingers, wrists strength so that stress and muscle tension,forearm trainer