The Jackson #1 Standard Contour Marker with Structural Adapter, model SUW-14771, is a compact layout tool for pipe joints and structural steel. It supports precise lateral layout across joint configurations including elbows, crosses, wyes, tees and angles. Suitable for upright or inverted positioning, the marker helps save layout time, avoids complex calculations and cut-and-test work, and reduces material waste. A soapstone crayon is included for marking.

• Pipe layout range: 1 1/2"–18" diameter.
• Accommodates structural steel members measuring up to 18".
• Usable in both right-side-up and upside-down orientations.
• Components include an X-shaped frame, a calibrated angle protractor, a marked arm with three joints, and a bracket.
• Supplied with a soapstone crayon; package count is 1 unit per case.