1/4 Inch Shank Straight Router Bit Set with 2 Different Cutting Depths: 2" and 3", Cutting Diameter: 3/8" Double flute straight bits designed for trimming, three-dimensional clearance angle, slotting, and wood screw holes. Solid hardened steel bodies with anti-kickback design, high hardness and toughness, high abrasion resistance, and impact resistance. Industrial grade C3 micro grain carbide blades for cutting wood, MDF, particle boards, plywood, panels, softwood, and other synthetic wood materials. Suitable for use with a router table or desktop woodworking engraving machine, including CNC, hand-held, and table-mounted portable routers. Not suitable for use with electric drill machines. Specifications: Color: As shown Body Material: Solid hardened steel Blade Material: Industrial grade micro grain carbide Shank Diameter: 1/4 Inch / 6.35mm Cutting Diameter: 3/8 Inch / 9.52mm Cutting Depth: 2 Inch / 50mm, 3 Inch / 76mm Package Includes: 2 x Long Straight Router Bits