Jackson Safety Pipe Marker Centering Tool - Standard 4" Y-Type Head, Measure Pipes 0.5" and Above - Curv-O-Mark Standard 6

Aids in the setting of center lines, establishing angles and marks for butt ins, location points inside pipes and tanks, laying out key ways, and measuring declivity.  The standard head model is used on 1/2" diameter pipe and up.  It features a 4" Y type head fitted with an adjustable dial bubble proractor (DSL.)  Use a tapping hammer to operate the hardened centering pin.