The YBB105M Series features a 3/4 left shoulder convertible design with a .661-inch bore designed for excellent response and tone. The marching leadpipe features an adjustable brace for proper placement.
Marching Tuba; key of BBb; silver-plated; 3/4 size convertible model with concert and marching leadpipes included; 3 nickel-plated pistons; .661" bore; 14-3/8" upright bell; BBC-27M case; 67 mouthpiece
