If you are looking for a professional mute clamp for your piano, then take at our professional piano mute clamp set. It is made of sturdy and good nylon material, which is smooth enough and will never hurt your piano strings when using them. Features -Color:White -Material:Nylon -Size:20.00X1.40X1.00cm/7.86X0.55X0.39in(Storage Holder) -Size:19.50X0.60cm/7.40X0.23in( fork) -Piano tuning stop tool, designed to make it easier to mix mid and high parts. -Piano damper nylon mute clamp repair tuning tool accessory. The piano tuning stop tool is designed to mix mid and treble parts more easily. -Suitable for piano repair replacement parts. Wonderful gift to your friends who love playing piano. -Practical mute tool in clip design for convenient use. Simple yet practical, with case, easy to carry. -When used, they are inserted between the gaps that require the tuning string to prevent other strings making sounds during tuning. Package list: 1 x Piano fork 1 x Case