Thomann Trombone 11C-S Maple Wood, Mouthpiece for Baritone, Size: 11C-S, Made of maple wood, Small trombone shaft, All-round mouthpiece, Inner cup diameter: 24.50 mm, Exterior diameter of cup: 38.00 mm, Medium flat cup, Bore: 5.5 mm, Total length: 79 mm, Elaborate 5-layer lacquering, Shaft inside oiled several times, Extremely durable, Made in Austria