A set of tuning hammers for tuning pianos. Comes with 3 adapters. Compatible with various model standards such as Yamaha and Steinway.

■Piano tuning wrench set

■Adapter types: 3 adapters

■Adapter shape:

・Star-shaped: 6.5-6.9mm

・Star-shaped: 7.0-7.9mm

・Square: 6.2mm

■Weight: 0.5kg

＜Notes＞

■Tuning pin sizes for each piano company

・Yamaha: 6.9-7.20mm

・Kawai: 6.9-7.15mm

・Steinway: 7.25 and above

・Bösendorfer: 7.25 and above