This comprehensive kit was used by a professional piano tuner / repairer. It is perfect for the professional repairer or anyone who wants to maintain their piano in top condition. With a variety of tools included, you can tune, repair, voice and regulate your piano. Whether you’re a professional repairer or piano enthusiast this kit is all you need to keep your instrument sounding great. It’s suitable for both vintage and modern pianos, and is designed to help you achieve the perfect sound. So if you want to keep your piano in the best possible condition, this kit is the ideal choice. Piano Tuning Kit with Hammer/Lever, Temperament and Mutes. Combination tool handle and regulating tools – 8 piece set. Miscellaneous repair tools as pictured.