NIUNIU DESCRIPTION This product is a straight and tapered plug cutter for deep wood cutting. The plug knives are made of high-quality hardened carbon steel and are sharp and strong. Chamfering tools make tapered plugs to fill countersunk holes. Suitable for bench drills and hand drills. Those really beautiful plug cutters are sure to be a great addition to your warehouse for a great finish in wood. Made of premium hardened carbon steel, sharp and strong, chamfered cutters make tapered plugs to fill countersinks. Suitable for bench drills. And the hand drill note: the operation should not be too fast, otherwise it is easy to produce smoke, burn black, Please note that due to the possible color and size difference between the light effect photo and the real object, please allow 1-2 cm error Quantity: 4 pieces, corkscrew Size: Specifications are 6mm, 10mm, 13mm, 16mm inch size is 1/4, 3/8, 1/2, 5/8 (inch) Color as shown