Designed for bakelite mouthpiece of B flat clarinet. The clarinet ligature is leather, the leather texture is soft, providing good protection for the mouthpiece. Copper plated adjustment screw, long usage time and non fading. Equipped with a stainless steel mesh frame, it effectively locks the whistle and has shock absorption function. The mouthpiece cap made of plastic, and this product is wear-. There are 4 air vents at the top to that the mouth is ventilated and breathable. Note:Not suitable for metal mouthpiece. Product Name:Clarinet Mouthpiece Fastener Set Apply to: Clarinet Color:Black Material:Plastic + PU leather Package Contents: 1 x Leather Ligature 1 x Mouthpiece Cap 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.