1L - Cup diameter: 29,00mm (1,141") - Equivalent to Schilke 60
Rim: Rounded contour and secure grip Throat: 8,00mm | Large shank - Recommended for bass trombone
2L - Cup diameter: 28,50mm (1,122") - Equivalent to Schilke 59
Rim: Rounded contour and secure grip Throat: 8,00mm | Large shank - Recommended for bass trombone
4L - Cup diameter: 26,00mm (1,000") - Equivalent to Bach 4G
Rim: Rounded contour and secure grip Throat: 7,00mm | Calibre largo - Recommended for euphonium
5L - Cup diameter: 25,50mm (1,003") - Equivalent to Bach 5G
Rim: Rounded contour and secure grip Throat: 7,00mm | Large shank - Recommended for tenor Trombone
6L - Cup diameter: 25,40mm (1,000") - Equivalent to Bach 6-1/2AL
Rim: Rounded contour and secure grip Throat: 7,00mmmm | Large shank - Recommended for tenor trombone