The L-shape wrench and the square socket is good design for tweaking the piano pins, Wood handle is easy comfortable to use and durable. 2 rubber mutes with handle and 2 rubber mutes, made of durable and natural rubber and correctly tapered, helps you to mute the section more simply. Complete piano tuning tools, help you tune the piano in time,Can satisfy all your needs. Perfect piano tuning kit for apprentices, students, professional piano tuners, or anyone who wants to learn piano tuning. Professional tuning tools to help you better adjust the sound quality and temperament, giving people the perfect listening experience. Colour:As Shown Material:Metal+ rubber + wood Package Contents: 2 * Soundproof rod 2 * Soundproof stick with handle 1 * soundproof tape 1 * wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.