ITEM NAME:4X Carpentry Wood Plug Cutter Straight & Tapered Claw Type Drill Bit Sets New Descriptio n Features: Name: Cork Drill/claw-type round wood tenon bit Material: 45# carbon steel. Shank feature: Round handle. Diameter of round shank: 9.3mm Size: 5/8 "(cork 15.8 mm), 1/2" (cork 12.7 mm), 3/8 "(cork 9.5 mm), 1/4" (cork 6.3 mm) Characteristics: New plug-in cutting machine 4-Piece Plug cutter Set provides the perfect stopper for anti-drilling. Use precautions: Suitable for bench drill, speed should not be too fast, otherwise smoke, charred and so on! Product Includes: 4pcs Claw Wood Plug Cutter Drill Bit Honesty is gold for all! 4/1pcs Claw Wood Plug Cutter Drill Bit