[MATERIAL] Our cutters are made of hardened steel with solid C3 grain carbide tips. C3 grade carbide is the highest grade used in the router bit industry. Precise product design delivers smooth, detailed cuts suitable for projects of any complexity. [PERFECT DESIGN] Hardened steel body with anti-recoil design. Balanced to within +/- 0.003 inches, ensuring smooth operation at high RPMs. Features 3 micro-grain C3 carbide tips for maximum strength and durability. [WIDE USE] Suitable for cutting a variety of materials including wood, MDF, particle board, plywood, softwood, hardwood, and other panel materials. Ideal for woodworking applications such as handcrafted drawers and joinery, including edge-to-edge and end-to-end wood joining. A great choice for both professionals and hobbyists. [Where to Use] Designed for use with computer-controlled wood engraving machines, including handheld and table-mounted routers. Note: Not suitable for use in drills or electric drills.