| 1¡¢Ergonomic and comfortable, Compact and lightweight, strengthen your forearm and wrist force anytime, anywhere. 2¡¢ABS material has high strength, corrosion resistance, high-temperature resistance, lightweight, wear-resistance, and durability, etc., which increases the service life of the product. 3¡¢Giant screen display, 42mm diameter, solid pointer display clear. 4¡¢By training the reaction ability and strength between the fingers, the fingers are more flexible, and the fingers are more skillful and enhance the strength of the fingers. 5¡¢Comfortable grip, Four fingers fit, can make better use of strength.Material: ABSRange: 55kg (55kg is displayed if exceeded)Screen size: diameter 42mmSize: … | |