Protects underground steel pipe from corrosion. (1) Quart Primer covers approximately 23' of 3" pipe or 33' of 1-1/4" pipe. (1) 4" Wrap Roll (12 mil thick) covers approximately 44' of 2" pipe of 31' of 3" pipe. (1) 2" Wrap Roll (35 mil thick) covers approximately 23' fo 1-1/4" pipe.