Wrap-A-Round Tools by Jackson Safety Curv-O-Mark Wrap-A-Round rulers are an easy-to-use tool for pipe fitters and welders. Each are printed with a scale in inches, an inch chart, tangent chart, and other helpful markings to help make a straight line around pipes. Made from flexible gasket material, they have a good resistance to both heat and cold. Made from flexible gasket material with resistance to heat and cold Printed with a scale in inches, inch chart, tangent chart, and other useful markings Economical tool for marking straight lines around pipe or for use as a straight edge Colour - Black Options: Size Width x Length Pipe Diameter Product Number Medium 3.88" x 4' 3" - 6" 14752 Large 3.88" x 6' 3" - 10" 14753 Extra Large 5" x 7' 4" - 12" 14754 XX-Large 5" x 9' 6" - 16" 14756