10PC FLAT WOOD SPADE HOLE CUT SAW DRILL BIT SET 6 - 32MM EXTENSION BAR HEX KEY HIGH QUALITY BRAND NEW EASY TO USE Flat drill design, with double side cutting edge and long hex shank handle, make sure these drill bits offer expert drilling for large holes on wood with a flat head and strong centre point. it can reach hard area for special using. High efficiency woodworking drilling, drilling accurate, good chip removal. Smooth brisk drilling, the use of high efficiency.