Jackson Safety® Curv-O-Mark of Size 6 Standard Centering Head features in the settings of centerlines and establishing angles and marks for butt-ins. It locates points inside pipes and tanks and measures declivity with laying out keyways. Standard Model is used on pipe that has more than 1/2" Dia and has 4" Y-type head fitted with an adjustable dial bubble protractor.
Features
4" Y-type head fitted with an adjustable dial bubble protractor (DSL) and a manually operated hardened centering pin