Product: ND244 tenor saxophone ABS black plug anti-key bump Dustproof and anti-fouling, protect the overtone connecting rod, prevent deformation, when the saxophone is packed, it can effectively protect the overtone connecting rod and socket, and prevent extrusion deformation, ABS plastic material, high strength, colorless and tasteless, safe and hygienic, It can also effectively prevent dust and dirt from entering the tube and protect the cleanliness of the tube Colour:Black Material:ABS Size:9x7x3cm Package Contents: 15 * plugs 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.