Industrial Quality Router Bits, C3 Micro-grain Tungsten Carbide Cutters, Micrograin carbide tips provide superior wear resistance and long life, Solid Hardened Steel Bodies with Anti-Kickback Design, Build-up Heat Resistant Teflon Coating Can be used without the bearing as a standard straight bit, Great for combined plunge-cutting and pattern/template routing Cuts all composition materials, plywoods, hardwoods, and softwoods For increased room visibility, use rod bearing flush bit version in a handheld router allowing the model to be positioned on the top of the room Package include: 3 Pcs 8mm Shank Versatile Round Over Edging Router Bit Set Specifications: Shank: 8mm shank Material: Hard alloy Size: 1/8" R Cutter Diameter: 3/4''/ 19mm, Total length: 2''/ 51mm 1/4" R Cutter Diameter: 7/8''/ 22mm, Total length: 2''/ 51mm 3/16" R Cutter Diameter: 1''/ 25mm , Total length: 2-3/16" / 55mm Package included: 3pcs x 8mm shank Round Over Router Bits