12mm 1/2" Shank Double Bearing Spiral Flush Trim Router Bit Milling Cutter Engraving Machine Router Bit Set H12016H1912mm 1 2" Shank Double Bearing Spiral Flush Trim Router Bit Milling Cutter Engraving Machine Router Bit set H12016H19 Features: 100% 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,