OFT1105 Features: * Structural beam layouts and marking angles or saddles on pipe and tubing are a snap * The unique design of this tool allows you to telescope out over existing welds to layout angles or change the angles of pipe fittings * The arm has its own 360 rotating shaft with a built-in leveling vial * Pipe Cap.: 1 1/2 in [Min], 18 in [Max] Includes: * Includes: Magnetic Base, Structural Adapter 8311, Polypropylene Case