For 8? to 48? pipe and 48? structural beams. Structural beam layouts and marking angles or saddles on pipe and tubing are a snap with the Master Marker. Replace multiple templates with just one tool. The Master Marker comes with a unique design that allows you to telescope out over existing welds to layout angles or change the angles of pipe fittings to meet your special needs. Redesigned marking arm is completely separate from the main body. It has its own 360° rotating shaft with a built-in leveling vial. The arms have spring-loaded joints for smooth and precision operation and telescopes to eliminate uneven surface problems. Saddles and angles on pipe and structural beams are made easy. NOW COMES IN ITS OWN CUSTOM CARRYING CASE (p/n 8900) that can also be ordered separately. Structural Adaptor is included. Structural Adaptor aligns tool base exactly parallel to edge of structural steel beams and channel iron. It is machined from quality aluminum material then anodized for lasting protection.