Irwin  Standard  1 pc. Plug Cutter  5/8 in *Material: High Carbon Steel *Shank Type: Hex *Drill Bit Diameter: 5/8 in. *Product Type: Plug Cutter *Number of Pieces: 1 pc. *Packaging Type: Carded *Application: For Wood *Shank Diameter: 1/4 in. *Recommended for covering fastener holes in furniture, cabinetry, floors, decks and other woodworking projects * Ideal for making dowels.