HIGH QUALITY - Using standard high speed steel and super hard titanium coated bits
Size - 6mm ( 1/4 inch ), 8mm ( 5/16 inch ), 9mm ( 3/8 inch ), 12mm ( 1/2 inch ), 16mm ( 5/8 inch ), 19mm ( 3/4 inch )
GOOD WORKING - Great for sinking 90 degree countersink bit holes into wood and soft metals countersunk screws and fixings.
GREAT DESIGN - 1/4 inch hex shank drill are fine for a quick change. They don't slip in drill chucks.
MULTIFUNCTIONAL USES - Ideal for wooden planks, plastic, soft metals, fiber board, particle board, plywood, alumiumn board etc. Meanwhile compared with ordinary the drill accuracy more high.