Description: Design Anti-kickback Balance +/- .003" tolerance (allowing smooth operation at high RPMs) Body Solid Hardened Steel Blade Industrial grade micro grain carbide Cutter CNC ground to a 600 grit, mirror-like finish Hook & Shear Angles High hook & shear angles allow cutters to slice smoothly into stock producing clean, splinter free Bearing Totally enclosed & lubricated Coating Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch Specification: Trepanning more smooth,less noise Sharp edge,high hardness,accurate positioning,high precision,smooth cutting,impact resistance,high toughness Selection of high quality alloy blade,make blade more sharp and durable Blade Industrial grade micro grain carbide Hook & Shear Angles High hook & shear angles allow cutters to slice smoothly into stock producing clean, splinter free Coating Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch Size: Approx. 135mm x 12mm/ 5.32x0.47" Package Includes: 1 Piece Router Bit