Ivy Classic 46108 1/2 X 3-1/2" Forstner Bit, High-Carbon Steel, 3/8", 1/Card IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools. IVY Classic High-Speed Steel Forstner Bits are designed to cut clean, smooth pocket holes, angled holes, and flat bottom holes in wood and plywood. The tapered rim cuts clean, smooth holes while the sharp spur centers and guides the bit. These bits feature a two-cutter design that allows for maximum cutting and chip removal. IVY Classic Forstner Bits have a 3/8-inch shank and are available in a variety of diameters and lengths. Designed to cut clean, smooth pocket holes, angled holes and flat bottom holes in wood and plywood, Swift Bore (Registered Trademark) Tapered rim cuts clean, smooth holes while sharp spur centers and guides the bit Two-cutter design for maximum cutting and chip removal High-carbon steel construction with Rockwell Hardness 45-53 Diameter: 1/2", Length: 3-1/2", Shank: 3/8"