Multi-Fuction: This hand gripper 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. Smart Counting Design Hand Exerciser: 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. Adjustable Hand Grip Strengthener: The resistance can be easily adjusted from 11 to 132 lbs(5-60 kg). Our grip strength trainer have reinforced stainless steel tension springs and feature high-quality durable plastic bodies, perfect for men and women of different strengths. 2 Pack & Portable: With the 2 pcs grip trainer , you could train your two hand at same time. this forearm strengthener is easily portable, fitting into a purse, carry bag or even your pockets. You can get easy fitness anytime & anywhere.