The Empire 8 in. True 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 positions. The em71.8 features 0, plumb, 45 degree and the VARI-PITCH™ which reads slope in 1/8 in. increments per ft. The aNdized aluminum billet frame delivers unparalleled strength and durability. A top side v-groove edge and 3 bottom side neodymium magnets make the em71.8 ideal for working with pipes and conduit.