SELF DRILLING, SPLIT TIP TYPE; STEEL MATERIAL; 1/8 INCH STEP HEIGHT; 1/8 INCH MIN. DRILL SIZE; 1/2 INCH MAX. DRILL SIZE; STRAIGHT WITH 3-FLAT SHANK TYPE; 1/4 INCH SHANK SIZE; 13 SIZE(S); 1/32 INCH STEP INCREMENT; NUMBER OF FLUTES 2