Style 1：

The inside caliber is 26.5mm; the depth of the interface is 20.1mm（Suitable for buffet clarinet）

(Natural ebony will shrink and the actual numerial number will bedeviation）

Style 2：

The inside caliber is 26.5mm; the depth of the interface is 20.1mm  

(Natural ebony will shrink and the actual numerial number will bedeviation）

Style 3：

The inside caliber is 26.5mm; the depth of the interface is 20.1mm（Suitable for BUFFET clarinet）

(Natural ebony will shrink and the actual numerial number will bedeviation）