slbrillreMATERIAL: : Our router bits are made of solid hardened steel and C3 grain carbide. (C3 grade carbide is the highest grade used in the router bit industry). Precise product design creates smooth, detailed cuts that are suitable for all levels of complexity. PERFECT DESIGN: : Hardened steel body with anti-kickback design. Balance tolerance of +/- 0.003" (allowing smooth operation at very high RPMs). 3 C3 Carbide Tipped - Micro-grain grade provides maximum strength and toughness. WIDE USE: : The router bit tools can cut most materials including: wood, MDF, particle board, plywood, paneling, softwood, hardwood, etc. Suitable for hand making a drawer or other woodworking, can be used to join wood from edge to edge or end to end. Perfect choice of professionals and hobbyists. Where to use: Designed for laptop or desktop woodworking engraving machines, such as handheld and table-mounted CNC routers. Note: It can not be used in electric drills and drills. SIZE: Shank Diameter: 1/4''(6.35mm) Tooth Width: 1/4''(6.35mm) Tooth Depth: 1/2''(12.7mm) Transition: 1cm=10mm=0.39'': SPECIFICATIONS: Material: Alloy blade, Carbon steel handle Blade: Industrial grade micro-grain carbide Cutter: CNC ground to 600 grit, mirror-like finish Balance: +/- .003" toleranceBody: Full hardened steel WARM REMINDER: 1.The blade is sharp enoughbe careful not to cut yourself during use, and keep it out of reach of children. 2.Size for manual measurement, there may be a 0 to 3 mm error, belongs to the normal phenomenon. 3. Suitable for woods, MDF, particle board, plywood compact panel; Avoid cutting ferrous metals and materials other than wood, such as: steel, iron, sand, etc. PACKAGE INCLUDED: 1 x Tongue Router bit 1 x Groove Router bit