| ASMUSS CODE | Size (OD) mm | 
|---|---|
| 735910285 | 20x3/8” | 
| 735910286 | 20x½” | 
| 735910287 | 25x¾” | 
| 735910288 | 32x1” | 
| 735910289 | 40x1¼” | 
| 735910290 | 50x1½” | 
| 735910291 | 63x2” | 
We are currently not running Bob Le Hunt courses in person.
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