7 Pieces/Set Of Handle Drill Multi-Function Drill Bit Marble Perforator Tile Drill Bit
- 1.Made of fine quality material,low resistance,high hardness,improving work efficiency.
- 2.The design of shank makes the clamping more tight and does not slip.
- 3.U-shaped spiral is smooth and flat,and the drilling is smoother.
- 4.Strong toughness and wear resistance,can be installed in electric drills.
