5pcs triangle handle alloy multifunctional drill bits 6-12mm blade diameter for electric drill

the head is of the special process technology, high hardness and small incision resistance. high efficiency spiral, smooth and flat which make it smoother to drill. the design of triangular handle make it more fastening to clamp and not easy to slip. widely used in ceramic tile, glass, brick wall, wood, etc. can be used in the hand electric drill, table drill, etc..syi