Curv-O-Mark 14754 177B X-Large Wrap-A-Round 177B X-Large Wrap-A-Round – Each

An inexpensive tool for marking straight lines around pipe, or for use as a straight edge
Made of flexible gasket material
Resistant to heat and cold
Asbestos free with service temperature of up to 350°F
Printed with a scale in inches, pitch chart, tangent chart and other useful markings except X-small
3.88″ and 5.00″ wraps feature a metric scale and pitch chart