Set of 8 Dowel Cutters for cutting wood plugs in your wood projects, they are sharp and neat Features: Application: To cut tapered and round plugs for concealing screw head, filling countersunk holes, matching wood grain, and other decoration purpose Material: 45# carbon steel Shank features: 1/4” Hex Quick change shank Suitable for drill press with Hex 1/4” chuck drill press Users Tips: 1. Start the drill press and spin the cutter before make contact with the wood can prevent walking. 2. Hand drills not recommended Package Included: 4 packs of tapered wood plug cutters in size 1/4", 5/16”, 3/8", and 1/2" diameter 4 packs of straight wood plug cutters in size 1/4", 5/16”, 3/8", and 1/2" diameter They are packed in Plastic storage cases for easy access and rust-resistant storage and convenient organization.