Description: Material: Made of PP and ABS material, durable and wear resistant, rust less and not easy to damage. Ergonomic: Ergonomically designed to fit small to large hand sizes, perfect for men,women,seniors and teens, Can use it in everywhere Function: Designed for athletes and sports enthusiasts, this product can increase the strength of hands, wrists, forearms and fingers, Relieve fatigue, enhanced muscles Hand Strengthener: Also Great hand strengthener for rock climbing, shooting, bodybuilding, golf, tennis, musicians including drummers as well as guitar, piano and violin players. Occasions: Great for family, sports and clinical, physical education using, this product can train the strength of hand Specification: Name: Hand Dynamometer Weight range: 0~130kg Function: Enhance finger strength, palm strength Movement parts: arms, palms, fingers Material: ABS+PP Size: 100mmx135mmx20mm/3.94inchx5.31inchx0.79inch Package Includes: 1 Piece Hand Dynamometer(6 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!