General description YMYNY 8pcs Cork Drill Bits are designed for woodworking, allowing you to create holes and extract round plugs efficiently. This set includes a variety of drill bits to meet different needs, featuring both standard cork drills and claw cork drills. Technical specifications Material: Carbon Steel Color: Silver Metric Sizes: 6mm, 10mm, 13mm, 16mm Inch Sizes: 1/4, 3/8, 1/2, 5/8 Handle Diameter: 8mm Weight: Approx. 260g Compatibility and accessories Recommended for use with bench drills and hand drills Package Includes: 4 x Standard Plug Cutter, 4 x Four-tooth Chamfer Cutter Installation Please control the speed when using it to avoid overheating. Using too high a speed may produce smoke and discoloration.