These Portland Saw 6-1/2" coping saw blades enable you to replace worn or damaged blades on most nominal 6” coping saws. Pins are spaced 6-1/2 inches apart. These sharp, reliable blades cut in any direction (angular rotation orientation - blade cuts only in one linear direction) and feature high carbon steel teeth that make clean cuts in most woods, plastic, fiberglass, metal and other materials. The pack includes a wood blade (15 TPI), hardwood blade (16 TPI), plastic blade (20 TPI) and mild steel and nonferrous blade (32 TPI) to handle a wide range of tasks.