Irwin Plug Cutter *Material: High Carbon Steel *Shank Type: Hex *Drill Bit Diameter: 3/8 in. *Product Type: Plug Cutter*Number of Pieces: 1 pc. *Shank Diameter: 1/4 in. *Application: For Wood *Packaging Type: Carded *Recommended for covering fastener holes in furniture, cabinetry, floors, decks, and other woodworking projects * Constructed of hardened, high-carbon steel for added strength and durability * Ideal for making dowels *Discovery ACC, NBR, SUP