Bach 351 10-1/2CW

Bach 351 10-1/2CW, Mouthpiece for Trumpet, Medium cup, Cup diameter 15.9 mm, Very wide rim, the inner rim is slightly elevated, Backbore 10, Silver plated, The same qualities as 10-1 / 2C, but with a special rim width, for players who press very hard and with especially fleshy lips ...