| ASMUSS CODE | NB (inch) |
|---|---|
| NITHD/015 | ½”x½” |
| NITHD/020 | ¾”x¾” |
| NITHD/025 | 1”x1” |
| NITHD/032 | 1¼”x1¼” |
| NITHD/040 | 1½”x1½” |
| NITHD/050 | 2”x2” |
We are currently not running Bob Le Hunt courses in person.
Please submit your details below and we will notify you when the courses resume.