[MATERIAL]: Our cutters are made of solid hardened steel and C3 grit carbide. (C3 grade carbide is the highest grade used in the router bit industry). Precise product design creates smooth, detailed cuts 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 rpm). 3 C3 Carbide Tip - Micro-grain grade provides maximum strength and durability.[WIDE USE]: Router bit tools can cut most materials including: wood, MDF, particle board, plywood, panel, softwood, hardwood, etc. Suitable for handcrafting 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 wood engraving machines, such as portable and table-mounted CNC routers . Note: It cannot be used in drills and electric drills.Specification:Shank (optional): 12.7 mm.Colours: as pictured.Uses: Wooden stair railing, handrails.Material:Body: tempered steel structure.Blade: Micro-Grain Carbide.Features:Very sharp cutting edge blade cuts cleanly with no burrs, no edges.High abrasion resistance, high precision sharpening technology, superior abrasion resistance.Using high frequency welding technology for greater strength, resistance and longer life of life.For making a drawer or for woodworking.Industrial quality router bits.Strong hardened steel bodies with anti-corrosion design back.Build-up and heat-resistant Teflon coating.Resistant heat-treated coating prevents build-up of sawdust, resin and pitch.Suitable for: MDF, solid wood, MDF, particle board, plywood, etc.Note:- Please wear proper protective gear when working, including for your eyes.Manual measurement: 0-5mm difference is possible which is completely normal.- Keep the bur away from children because it is sharp .Depending on the brightness and light settings of the monitors, the color of the actual item may be slightly different from the pictures. Thank you.Package content:2 wick holders.