zvd 8pcs cork drill bits wood plug cutting tool carbon steel claw cylinder tenon drill bit woodworking, 6mm 10mm 13mm 16mm

built in 8 components, metric size 6mm, 10mm, 13mm, 16mm, inch size 1 4, 3 8, 1 2, 8 5 inch . woodworking tools for making holes and taking round plugs. recommended for bench drills, hand drills and bench drills please control the speed when using it. the speed should not be too fast, otherwise it i