1-3pcs 8mm Shank Flush Trim Router Bit Pattern Bit Top Bottom Bearing 5/8 Blade Template Wood Milling Cutter Carpenter 1-3pcs 8mm Shank Flush Trim Router Bit Pattern Bit Top Bottom Bearing 5/8" Blade Template Wood Milling Cutter Carpenter Features: Brand new and high quality . Using for hand making a drawer or other woodworking. Industrial quality router bits . Solid hardened steel bodies with anti kickback design. Build-up & heat resistant Teflon coating. Hook & Shear Angles: High hook & shear angles allow Cutters to slice smoothly into stock producing clean, splinter free. Bearing: Totally enclosed & lubricated. Specifications: Item: 8mm Shank Pattern Bits Material: 45# steel Carbide tip: YG6X Shank Diameter: 8mm Tip Diameter: 12.7mm Balance: +/- .003" tolerance Body: Solid Hardened Steel Blade: Industrial grade micro grain carbide Cutter: CNC ground to a 600 grit, mirror-like finish Detaild specification, pls check following photos.