It also has gradient lines up to 2% marked inside the vial so they won’t scratch off or move.The 946M’s vials are extremely accurate at 0.0005 in/in (0.5 mm/m) and are guaranteed for accuracy for life. The base of the 946M is finely milled and has Rare Earth magnets for easy and accurate use on pipes and corners.
The 946M’s integrity is protected by a reinforced profile with a bridge at the horizontal vial for superior strength.
Features:
- 1 OPTIVISION® Red Horizontal vial
- Large base with Rare-earth magnets
- Accuracy: < 0.5mm/m (0.0005 “/”)
- Milled surface
- Durable cast aluminum body
- Shockproof rubber side grips
- Belt clip