A lightweight, easy to use tool for determining angles. Unit is ideal for the pipe fitter, welder, jig builder or anyone who has to determine angles or do setup work. ,Includes two cast-in 25-pound pull magnets that hold securely to any steel surface. Measures 9” long x 2” high and 3/4” thick ,Unit has a 360-degree adjustable dial set level (DSL) with two 90-degree quadrants graduated in 2.5-degree increments. ,Cast in tables are used to convert degree-of-angle to rise-in-inches-per-foot or millimetres-per-meter ,A groove on the bottom edge permits use on a small pipe.