Edwards T-302-1 small bore "Jazz" tenor trombone, bell size Ø 7-3/4", yellow brass outerslide, chrom plated nickelsilver innerslide, changeable brass leadpipes: J1, J2, J3, clear lacquered, without case. The T-302-1 is a .500" single bore all yellow brass slide with dual radius endcrook. This slide provides a player with the greatest flexibility in the upper register and is great for lead playing.