| ASMUSS CODE | Size (OD) mm | 
|---|---|
| 727910505 | 16x3/8” | 
| 727910506 | 20x½” | 
| 727910507 | 25x¾” | 
| 727910508 | 32x1” | 
| 727910509 | 40x1¼” | 
| 727910510 | 50x1½” | 
| 727910511 | 63x2” | 
We are currently not running Bob Le Hunt courses in person.
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