Centering tool with magnetic V-Leg 0-360 degrees Clockwise for working in a counterclockwise direction Center pin accurately marks center point at angle being indicated to be drilled, milled, welded... The V base is welded together for a very durable magnetic base with strong magnetic pull. marks center location at angle being indicated Place the 900-01 into the V-leg of the stock. Rotate until the dial aligns to your desired angle. Apply light pressure — the center pin will mark the exact point. Order Now With Confidence In stock and ready to ship from U.S. inventory. Includes calibration certificate and one-year service warranty. Made in the USA. displays 0-90-180-270--0 indicating full 360degrees reading angles from horizontal plain in counter clock wise direction NSN:5210-01-576-2924 This is one of the fastest, most accurate ways to mark the center of round, square, hex oval, most any shape that fits into the “V” leg Fast, precise measurements Dial face indicates 0-90-180-270-0 read 0-360 in counter clock wise direction Works as magnetic base protractor, level, centering head, centering punch, or pipe centering tool great for pipe fitting and welding Centering tool has a solid brass movement which gives immediate reading of angles for 360-degree radius. The V base is welded together then, precision milled, very durable. Exerts a powerful magnetic pull and the center pin hardened to RC 59/63 will show the middle point at angle being indicated. Accurately marks center point to be drilled, milled, welded... Extra features include: Certificate of calibration included with new or reserviced units Guaranteed 1 year +/- .5 degree All instruments have been calibrated traceable to NIST standards, 1year service calibration warrantee Made in U.S.A. Note: for reading angles from "0" degree in a counter-clockwise direction only