-The hand grip strength tester provides accurate momentary scale readings of your gripping power. -This hand exerciser meter provides you with accurate measurements of your hand strength. -The grip strength tester is ergonomically designed to fit small to large hand sizes. -This hand grip strength tester is great for athletes and sports enthusiasts. -The grip strength meteris a hand strengthener for musicians, including drummers, guitar, piano, and violin players.1 x Hand Grip Strengthener Tester, Manufacturer: DRAUXI