6mm Shank 1/4 Dovetail Joint Router Bits Set 14 Degree Woodworking Engraving Bit Milling Cutter for Wood 6pcs 6mm Shank 1/4 Dovetail Joint Router Bits Set 14 Degree Woodworking Engraving Bit Milling Cutter for Wood Features: 100% . 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: Dovetail Router Bit Material: 45# steel Carbide tip: YG8 Shank Diameter: 1/4 inch, 6mm 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.