True Blue vials are accurate to within

0005 In

(inch) per inch in all working positions

Heavy-duty extruded aluminum frame with top read window

Three e-Band vials highlight the meniscus of the bubble to provide a clear reading at plumb and 45 Degrees, while the Dual-Pitch vial can read slope at 1/8 In

and 1/4 In

increments in either direction

Three powerful rare earth magnets for 15 Lb

(pound) of holding power

Features straight edge groove and wall grippers to allow users to extend the length of the level with any straight edge