• Heavy duty Aluminum frame with powder coated
• Miled bottom for high accuracy
• Accuracy: 0.5 mm/m
• Three vial : 90 °,180°,45°
• Larger solid acrylic vial
• Dual view vial function for a true plumb reading
• With 2pcs strong magnets
• Shockproof end caps
• Packing: shrink