| Stock No. | D (mm) | H (mm) | Glass (mm) | Thread |
| GG381040 | 38 | 10 | 10 - 21.52 | M12 |
| GG382040 | 38 | 20 | 10 - 21.52 | M12 |
| GG382540 | 38 | 25 | 10 - 21.52 | M12 |
| GG383040 | 38 | 30 | 10 - 21.52 | M12 |
| GG384040 | 38 | 40 | 10 - 21.52 | M12 |
| GG385040 | 38 | 50 | 10 - 21.52 | M12 |
| GG501040 | 50 | 10 | 10 - 21.52 | M12 |
| GG502040 | 50 | 20 | 10 - 21.52 | M12 |
| GG502540 | 50 | 25 | 10 - 21.52 | M12 |
| GG503040 | 50 | 30 | 10 - 21.52 | M12 |
| GG504040 | 50 | 40 | 10 - 21.52 | M12 |
| GG505040 | 50 | 50 | 10 - 21.52 | M12 |