1.Multi functions bit drills, saws, and reams brass, aluminum, wood and plastic.2.Cross ground cutting edges for rapid, non clog cutting. 3.Fits any electric drill or drill press. Cuts own starting
hole and any sharp in any direction tool is moved. 4.135 degrees splint point;Dia.6 and 8mm; Length:90mm;Other sizes available. 5.For milling any type of contour in thin-walled materials. Suitable
for metal, wood, and plastic