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 deg and the VARI-PITCH™ which reads slope in 1/8 in increments per ft The anodized 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. Milwaukee® Empire® TRUE BLUE® Billet Torpedo Level, Magnetic, Series: EM71, 0.0005 in Accuracy, 8 in Length, 1-1/4 in Width, 4 Vials, Vial Positions: 0/30/45/90 deg, Acrylic Vial, Top Read Vial, Aluminum, Silver