Specifications:The spring buckle is made of high-quality stainless steel flexible spring, which has strong grip and long service life.Gripper handle is made of premium ABS and TPE, using concave-convex non-slip soft rubber, which is very comfortable gripand can prevent slipping.Equipped with 10-60KG intensity, allowing you to adjust freely.For beginner girls, it is recommended to keep the grip strength at 5-20KG, for boys to exercise needs, 20-40KG is recommended, and for fitness enthusiasts, thegrip strength is recommended to be 40-60KG.This gripper can count, every time you hold it, it automatically counts once, and it can be reset to zero, which is very convenient and practical.The ergonomically designed non-slip comfortable handle willensure you never lose your grip.These wrist enhancers are perfect for musicians, copywriters, weightlifters and people with arthritis.This hand enhancer can exercise your fingers, hand and forearm muscles.Small and compact design make it easy to carryanytime, anywhere.Item Name: Fitness Hand GripMaterial: PP, TPR, Stainless SteelSpecification: Upgrade CountFeatures: Convenient to Use, Portable, Hand ; Wrist Enhancer, Easy to Carry, Non-SlipSize: 15cm x 13cm x 2cm/5.91" x 5.12" x 0.79" (Approx.)Notes:Dueto the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Fitness Hand Grip