FeaturesThe attractive blue levels feature made in USA vials that display angles of 0, 30, 45, and 90 degreesNo-dog feature which allows you to clamp onto conduit to easily find the correct angleV-groove for pipe and conduit workPowerful neodymium magnets for superior holding strengthMagnetic billet torpedo levels are constructed of anodized aluminum alloy for strength and durabilityEmpire's new magnetic billet torpedo levels are constructed of anodized aluminum alloy for strength and durability