Jiayouy Piano Adjustment Tool Kit, 13 Pieces with 6 Inch Combination Handle, Multipurpose Adjustment Screwdriver, Capstan Screw Wrench, for DIY Repair and Piano Tool Maintenance, Silver

1 set of piano tuning tools, 13 kits. Can be used with a wide variety of piano repair and adjustment tools. Steel that tightens by turning clockwise to grip the tool shaft Fits most types of capstan screws. Combination handle saves space in your tool kit and avoids having handles on all regulation and repair tools. It can be applied to grand pianos and upright pianos, and can also solve various piano problems. A versatile and essential tool for professional musicians and technicians.