Specifications:Features:- Hand exerciser grip, a must tool to all music lovers.- Safely and conveniently build strength, endurance, flexbility and coordination.- Our exclusive design features comfortable finger pads and allows you to adjust individual finger tension - from light to heavy, providing all-in-one hand fitness for musicians.Model Number: AHF-03Type: Hand Finger ExerciserColor: BlackTension Range: 4LB - 7LBPackage Weight : 90 G / 3.17 OuncesPackage Dimensions (L*W*H) : 162*112*28 MM / 6.38*4.41*1.10 InchesRetail Packaging: Yes, Blister PackagingPackage Include:1 x Hand Exerciser