Please browse below url to learn more: br (mobile only) br (PC only) br br 6x42mm One Flute Spiral Upcut Router Bit Cutter Specification br Cutter type: one flute spiral router bit br Flute design: up cut br Shank size: 6mm br Flute diameter: 6mm br Flute length: 42mm br Overall length: 70mm br Material: tungsten (solid carbide) br Origin: china br Cutter application: for shallow or deep cut on wood, mdf, acrylic, pvc br Packing: 1 piece in 1 plastic case br br All cnc spare reaplacement and router bits, one-stop shopping br From www.eaglecnctec.com br br Please contact freely if any interest. br sales@eaglecnctec.