FeaturesTrue Blue billet level is equipped with made in the USA True Blue vials, which are accurate to within 0.0005 in per-inch in all 10 plumb and level working positionsThe em71.8 features 0, plumb, 45 degree and the Vari-pitch™ which reads slope in 1/8 in increments per ftThe anodized aluminum billet frame delivers unparalleled strength and durabilityA top side V-groove edge and 3 bottom side neodymium magnets make the em71.8 ideal for working with pipes and conduitPowerful neodymium magnets for superior holding strength