| SIZE | Waysing Part No. | Description |
| 2'' | BTC-200M | Bauer type Coupling 2" Male thread |
| 3'' | BTC-300M | Bauer type Coupling 3" Male thread |
| 3-1/2'' | BTC-350M | Bauer type Coupling 3-1/2" Male thread |
| 4'' | BTC-400M | Bauer type Coupling 4" Male thread |
| 6'' | BTC-600M | Bauer type Coupling 6" Male thread |
| 8'' | BTC-800M | Bauer type Coupling 8" Male thread |
