Description The piano keyboard turning tool is used to ream out the holes that have worn over time due to frequent use. This tool can be used by professional piano technicians as well as amateur piano owners who want to maintain the performance of their instrument. Features -Color:Silver -Material:Metal -Size:14.70X1.10X1.10cm/5.78X0.43X0.43in - The piano keyboard tool is easy to use and requires minimal training to operate, fit for piano enthusiasts and technicians. - Piano keyboard hole expansion reamer tool can increase the space between keyhole and key pin. - By using this tool, enlarging holes, which can greatly enhance the overall sound and feel of the piano. - The wide head of the expansion reamer is used for expand the hole on both sides. - The piano keyhole reamer repair tool is designed to work on most types of pianos, a good piano maintenance tool. Package list: 1 x piano tuning tool