Description Centering Heads aid in the setting of centerlines, establishing angles and marks for butt-ins, locating points inside pipes and tanks, laying out keyways and measuring declivity The Standard #6 Model may be used on pipes 1/2″ in diameter and larger; The Curv-O-Mark center finder has a 4″ 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
