Features: Build formidable grip strength with this hand exerciser offering up to 10kg of resistance, effectively strengthening hand and forearm muscles for enhanced performances and recovery. Crafted from safe silicone that is more wear resistant than plastic, this grip strengthener ensures safety, comfort, and long lasting shape retention during intense workouts. Ideal for office workers, student, athletes, and families, this grip ball supports recovery training, improves sports performances, and fosters fun parent child fitness interaction. Perfect for use any where – at home, in office, or while traveling – its compacts design solves the problem of fitting exercise into busy schedules and limited spaces. Enhances power transfer and stability in sports like rock climbing and weightlifting through consistent training with this forearm workout tool. Specifications: Materials: POM+Stainless Steel Color: As The Picture Shows Package Weight: approx.360g Ball Diameter: approx.3cm/1.18in Package Includes: 1Pc Pull-up Grip Ball note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!