Thomann Trombone 6-1/2 AL-L Nut Wood, Mouthpiece for Baritone, Size: 6-1 / 2 AL-L, Made of nutwood, Large trombone, All-round mouthpiece, Interior diameter of the cup: 25,40 mm, Cup exterior diameter: 39.20 mm, Medium deep cup, Medium wide and rounded edge, Very convenient response, Bore: 6.5 mm, Total length: 83 mm, Elaborate 5-coat paint, Shaft oiled on the inside several times, Extremely durable, Made in Austria