For most Bosch jig saws and others use T-Shank. Bosch is the world-wide market leader for jig saw blades. This means uncompromising quality, innovative ideas and universal use. Whether for miter, straight or curved cuts, Bosch sells the right saw blade designed for high performance in all major brand jig saws. Clean for wood straight, fineMade of quality, high performance steelHigh carbon steel bladesHard or soft woods, plywood, plastics, OSB, laminated particle board 3/16 in. - 1-1/4 in.