MMS02 5-key Guitar Bass Piano Hand Finger Exerciser Trainer Grip - Orange + Black
Brand N/A Model MMS02 Quantity 1 Piece(s) Color Black + orange Material ABS Compatible Models Piano violin guitar etc. Application Practice to improve finger speed and strength Functions Force range: 3lb~8.5lb; 2 keys can be pushed down at the same time. Packing List 1 x Hand grip