Greg Black Bass Trombone Mouthpiece
0G
Cup Diameter: 29.5mm, 1.163" Bore: 'O', .316"/#3
Cup Depth: Deep Rim Width: Medium Thin
Alternate Bore Available: .312/#2
1 1/8G
Cup Diameter: 28.75mm, 1.132" Bore: 'O', .316"
Cup Depth: "G" Deep
1 1/4G
Cup Diameter: 28.5mm, 1.122" Bore: 'O', .316"
Cup Depth: "G" Deep
1 1/2G
Cup Diameter: 29.31mm, 1.154" Bore: 'O', .316"
Cup Depth: Deep Rim Width: Medium Thin
Alternate Bore Available: .312"/#2