This is an universal piano tuning tools kit wooden handle is made of fine quality material with standard structure and exquisite craftsmanship nice for both beginners and professionals. Features: perfect piano tuning kit for apprentice student or anyone who want to learn piano tuning. Fine quality practical and reliable piano tuning products. handle is made of fine quality wood material with standard structure and exquisite craftsmanship. A nice tool for beginning tuners or for those wanting to own a hammer for occasional touch-ups or tuning. Specifications: Temperament-strip size: 1060 * 25 * 5mm Tuning hammer length: 160mm Mutes with handles length: 205mm Material: wood+metal Package size: 240 * 160 * 50mm / 9.4 * 6.3 * 2.0in Package weight: 140g / 4.9ounce Packing List: 1 * Tuning Hammer 1 * Temperament-Strip 2 * Mutes 2 * Mutes with Handle