99C - .240 Throat
The 99C is an excellent choice for concert band, jazz ensemble, and commercial lead. It is between a Bach 7C and 6.5 AL in rim size with an ID of .990 inches (25.146 mm). Throat = .240 inches (6.096mm), standard for most players.
99C - .250 Throat
The 99C is an excellent choice for concert band, jazz ensemble, and commercial lead. It is between a Bach 7C and 6.5 AL in rim size with an ID of .990 inches (25.146 mm). Throat = .250 inches (6.35 mm) for strong players wanting less resistance.