- Bottom and side machined to ensure 100% flatness to achieve both level and plumb
- Class II 650nm laser with special lens to give laser dot sharp edge
- Accuracy 1/4" at 50' (0.5mm/m)
- Precision vials accurate to 0.5mm/m level & 0.87 mm/m plumb
- One year warranty - requires 2 AA batteries (not included)
