Long service life. Sharp knife. Durable.
Can be used for wood products openings. Installation ball lock drawer， and plastic products， wood， plywood and other punch.
Material:carbide alloy

NOTE: Please leave a message which size you want， or we will send you randomly.
Thanks for your understanding.
Package Included:
1 x Woodworking Hole

Specification
Model	Total Length	Handle length	Working Length	Shank Diameter
16mm	78	65	8	7
20mm	78	66	8	8
22mm	78	66	8	8
25mm	78	66	8	8