Yamaha
Yamaha Trombone Mouthpiece 52
Short Shank
Yamaha Model 52. Larger Inner Rim Diameter And Cup Than The 51. Heavy Tone. Similar To A Bach 5 G & 3 G. Inner Diameter = 25.65mm. Contour = Standard. Thickness = Standard. Cut Depth = Standard. Throat = 7.11mm. Backbone = Semi Wide.
Standard manufacturers warranty