Jackson Safety 14772 Curv-O-Mark #2 Standard Combination Adaptor with #1 Contour MarkerDesigned for use with the standard contour markers, the Adaptor simplifies handling and increases layout capacityAlso provides layouts with compound angles using a single setting, or any degree of takeoff on elbows and turns up to 9 degreesUse with #1 Contour MarkerPermits use of all four sides of the contour marker and allows marking on small diameter pipe, over nipples, old weld or on wrapped pipe