Trombone mouthpieces
| Model | Cup Dia | Throat | Rim | Comparison |
| MB3-ET (Round Rim) | 26.40mm | 7.48mm | 6.50mm | Bach 4G / SM3 / SM3U / 3AL |
| MB4-ET (Round Rim) | 26.0mm | 7.38mm | 6.70mm | Bach 4G / SM4 / SM4U/ 4AL |
| MB5-ET (Round Rim) | 25.70mm | 7.28mm | 6.85mm | Bach 4.5G / SM5 / SM5U / 5AL |
| MB51 (Deep Cup) | 25.50mm | 7.20mm | 6.95mm | Wick 6AL / Schilke 51D / PT4C |
| MB2GS “Fumeaux | 27.00mm | 6.80mm | 7.20mm | |
| MB4G-JP “Dragon” | 26.00mm | 7.40mm | 6.89mm | 4G |
| MB4.5G “Viper” | 25.70mm | 7.00mm | 6.75mm | 4.5G |
| MB5G “Raptor” | 25.50mm | 7.20mm | 6.85mm | Bach 5G / Greg Black 5G / DE 5G |
| MB4.75G | 25.60mm | 7.30mm | 6.75mm | |
| MB6G | 25.20mm | 7.10mm | 6.95mm | Bach 6G |
| MB6.75G | 24.85mm | 7.10mm | 7.10mm |
M&B Silver Tenor Trom Mouthpieces
£150.15Price