Professional grade level for aligning conduit, checking clearance for runs and more. Features Four magnets allow for hands-free use on metal surfaces Four open vial ports assure easy viewing at 0°, 30°, 45° and 90° angles V-groove on top for easy view of vials. Aluminum alloy Dimensions: 8-1/2"L X 3/4" W X 1-1/4"H.