XO Custom Bass Trombone Mouthpiece, silver-plated, size 1-1/2. I am selling this because the size didn't fit me. There are no dents, and it is in beautiful condition, but it is a used item, so thank you for your understanding! - Brand: XO - Model: Custom Bass Trombone 1-1/2 - Type: Trombone Mouthpiece - Material: Silver-plated - Size: 1-1/2 Thank you for looking.