Attributes:
* Chisel Side Width: 6.35mm / 1/4 inch
* Chisel Depth: 46mm / 1.8 inch
* Holder Diameter: 19mm / 0.7 inch
* Shank Diameter: 4.3mm / 0.2 inch
* Total Length: 167mm / 6.6 inch

What Is Included:
* 1 Piece x Square Chisel Bit
* 1 Piece x Plastic Case

Applications & Features:
--- With long drill core and square chisel, easy to lock the hole on the wood, can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs.
--- This square hole drill bit can drill fast with the drilling point tip and 4 cutting corners, to enable the penetration into working pieces of wood very smoothly.
--- To be used with mortise and tenon machine with double effect, electric drill, hammer and other tools, can easily punch square holes in wood.

Useful Tips:
--- Please install the square chisel bit in the square hole machine properly, or it will only be processed into round holes and cannot be processed into square holes.