Come and see our amazing products. This Grip Strengthener works well for all of the muscles in your fingers, hands and forearm. Great for improving grip strength, hand endurance, dexterity, muscular tone and fine and gross motor skills.Press the button firmly to count automatically. The mechanical counter which works lifetime without any battery will record your exerciser number every time when you use it. Gently rotate button to clear units digital, push and rotate button to clear tens digitals. Pls confirm with us about the packing info, stock color and exact production time before placing your order.