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