1、Professional Tuning Excellence: Our piano tuning kit provides everything a professional tuner needs, meticulously calibrated to ensure accurate, perfect piano sounds. The tuning fork has a rated frequency of 440Hz for accurate, error free tuning. 2、Portable Convenience: Designed for easy transport and storage, our kit includes a specially crafted portable storage bag. This beautifully designed bag accommodates all tools, allowing you to maintain your piano anywhere, creating the best sound quality without limitations. 3、Versatile for All Piano Types: Whether you own an upright, grand, or concert piano, our piano tuning kit is ideal for your tuning needs. Versatile and suitable for all piano types and sizes, you can trust in its compatibility, providing comprehensive tuning support. 4、Professional 16 Piece Set: Featuring a tuning hammer, mute rod, felt, tuning lever, tuning fork, pitch bar, and piano repair accessories, this comprehensive piano tuning tool kit is an ideal choice for your instrument. 5、Complete Tuning Toolkit: Perfect for beginners and seasoned tuners alike, this comprehensive piano tuning set caters to learners, students, and anyone interested in the art of piano tuning, offering a complete range of professional tuning tools.