STRENGTHS MUSCLESbuilds up strength in your fingers, wrists, elbows and forearms. ADJUSTABLE DESIGNPerform regular and reverse wrist curls with the adjustable stabilizer pad QUALITY \u0026amp; COMFORTThis wrist strengthener is made with heavy duty carbon steel springs and thick 10mm foam stabilizer pad (in comparison to 6mm) for extra comfort and cushion PORTABLE \u0026amp; LIGHTWEIGHTSmall size, light weight, easy to carry and is free from any restrictions. Finger stretchers \u0026amp; Hand Grip made of healthy and environmentally friendly silicone material, no smell, soft and comfortable. MULTI-USERock climbing, golf, tennis, bodybuilding, guitarists, drummers, pianists and many more. If you have a few spare minutes, on the phone or at your desk, then its the perfect opportunity to strengthen your wrist and forearm. A few minutes per day is all that is needed to start seeing results. Sizing Weve designed our Wrist \u0026amp; Forearm Trainer to fit most hand sizes, for both men and women. It is suitable for hands up to 3.8 inches (10cm) wide across the knuckles. We Stand By Our Product! Weve used superior materials and craftsmanship for the construction of our Wrist \u0026amp; Forearm Trainer. From our heavy duty carbon steel spring that wont lose strength, to our foam padding that wont wear out or change shape. Our trainer wont let you down. - FOR MORE RESISTANCE Move the stabilizer pad towards the handle for more resistance. - FOR LESS RESISTANCE Move the stabilizer pad towards the U shaped foam for less resistance. Technical Details - Material: Rubber, Steel Spring - Color: Black - Size: 10.5 x 5 x 1.3 inches - Weight: 16 oz If you feel uncomfortable to use this gear, please stop using it and don't use your force blindly. Note: Note: Due to 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. Sold by-YJL official store