Inexpensive tool for marking straight lines around pipe or for use as a straight edge • Flexible gasket material construction with good resistance to heat and cold • Available in two asbestos-free styles to designate service temperature – Black (B) for use up to 350ºF, • Four standard sizes available • Specially ordered Wrap-A-Rounds available in any length up to 375’ • Extra small and special order Wrap-A-Rounds unmarked, all others imprinted in inches (3.88” and 5” in inches and millimeters)