of application: Applicable for tenor, midrange and soprano saxophoneStainless steel tool steel is used as the main body of the knocking rod, which is not easy to rust and not easy to deform.The handle is made of wood, which is durable, wear-resistant, and not easy to corrode.The handle of the rod body is firmly connected, and the copper fixing ring.The tool set is equipped with four different sound hole size pads, which is suitable for the maintenance of each sound hole of tenor, midrange, and soprano saxophone.It can quickly solve the problem of the deformation of the sound hole sheet metal and the concave edge of the sound hole. and high qualityProduct Name: Saxophone Sound Hole Tool Sound Hole Deformation ToolColour:black:MetalPackage Contents:1 x Saxophone Repairing ToolsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.