Hand Dynamometer Grip Power Strength Meter Force Measurement Tool 130kg/287lbs Capacity Force Gauge Ergonomic Design Measurement Features: brand new and high quality. Ergonomically designed to fit small to large hand sizes, perfect for men,women,seniors and teens. Design for athletes and sports enthusiasts who want to increase their hand, wrist, forearem and finger strength for rock climbing, shooting, bodybuilding, golf, tennis etc. The easily adjustable dial and wide range of tensions make the hand exerciser a popular choice for those with arthritis, rheumatoid arthritis, tendonitis, carpal tunnel, tennis elbow and those recovering from a broken wrist and tendon surgery. Great hand strengthener for musicians including drummers as well as guitar, piano and violin players. Specification: Color: red, blue Material: ABS Size: 15cm/5.90"10.5cm/4.13"2cm/0.79" Quantity: 1pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls 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. Thank you! Package includes: 1 Hand Dynamometer