CURV-O-MARK Wrap-A-Round Welding/Pipefitting Lay Out Ruler Tool 3 - 10 inch pipe
JACKSON SAFETY CURV-O-MARK Wrap-A-Round Welding/Pipefitting Lay Out Ruler Tool - Large, Black - 176b, J1859. Economical welder and pipefitters lay out tool for marking straight lines around pipe or for use of a straight edge.