
Shank Diameter: 6mm; Cutting Diameter: 3mm / 4mm / 5mm / 6mm / 8mm / 10mm / 12mm. Includes 5 double flute bits and 2 single flute bits, 7 types of cutter heads for different applications, meets a variety of cutting needs. These bits allow you to cut directly into a material to form a groove or dado (a groove across the wood grain) or to hollow out an area for a mortise or inlay. Use on CNC and other automatic routers as well as table-mounted and hand-held portable routers. Package Contents: 7 x Straight Router Bits with 6mm Shank.