Bb key 0.482" (12.3 mm) bore 8" (203 mm) bell Hand lapped stainless steel pistons Clear lacquered finish Wood frame case
A great choice for the trumpeter who doubles on valve trombone. The 528 is comparable in quality and playability to many top line models at only a fraction of the price. The sound quality of the 528 is equal to any on the market.
