4Pcs/Set Carbon Steel Round Wood Plug Hole Cutter Cutting Drill Bits Set Dowel Maker Tool Hole Cutter Drill 6mm-16mmFeatures:*1. 100% and high quality.*2. 4 standard plug cutters4 four-tooth chamfered cutters.*3. Chamfered cutters make tapered plugs to fill countersunk holes.*4. Use standard cutters to eliminate imperfections in wood.*5. 4pcs plug cutter set makes perfect plugs for counter-bored holes.Specification:Material: 45# carbon steelShank features: round shankUsage: suitable for bench drill and hand electric drill recommended bench drill easy to use.Size:1/4" Take wood(dia) 6.3mm3/8"? Take wood 9.5mm1/2"? Take wood 12.7mm5/8"? Take wood 15.8mmLists:4 standard plug cutters or 4 four-tooth chamfered cutters DIY Supplies:Woodworking Type:Center Drill Bit Origin:CN(Origin) length:other Use:Wood Drilling Model Number:Wood Drilling is_customized:Yes Certification:CE Material:High Carbon Steel length::10mm Shank features::round shank