The Jackson Safety Curv-O-Mark #7 pipe centering tool has numerous functions that help with setting center lines, establishing angles and marks for butt-ins, locating points inside pipes and tanks, laying out keyways and measuring declivity. Also referred to as our #7 model, it may be used on pipes 1" in diameter and larger. The Curv-O-Mark center finder has an 8" Y-Type head fitted with an adjustable dial bubble protractor (DSL) to be used for pipes and tanks. Use this manually operated Jackson Safety hardened centering pin with a small hammer or mallet to tap the pin in for effective pipe marking. Established in 1933, Jackson Safety has built a century long reputation for delivering the most innovative safety solutions in the welding and personal protective equipment industries. When it comes to providing safety solutions with long-lasting value, durability and comfort, Jackson Safety has set the standard. Whether the need is for welding protection in a steel fabrication environment, head protection on a construction site, or hearing protection at an airport, Jackson Safety provides the widest range of safety choices to meet the needs of every job and every worker.