- Have precision milled base for high accuracy.
- Have a solid spirit bulb which doesn't break easily.
- The Aluminum frame is strong and precision extruded which increases accuracy and strength of the Spirit levels.
- Rubber moulding is provided on the sides of the spirit levels to prevent damage to the body of the spirit levels.
| Item Code | Size (mm) |
| SL 1012 | 300 |
| SL 1020 | 500 |
| SL 1024 | 600 |
