Features:These cutters are made from tungsten carbide steel for high hardness and long service life.Incisive cutting edge would improve working efficiency and product quality.Designed with a 6mm diameter shank that is suitable for most machines.Usually used on wood routers or CNC engraving machines for woodworking.It can be used for slotting a wide range of materials including wood, MDF, PVC.Specification:Material:Tungsten steelType(Optional)Cutting Edge DiameterShaft DiameterCutting LengthOverall Length6*16mm16mm / 0.6in6mm / 0.2in7mm / 0.3in44.5mm / 1.8in6*22mm22mm / 0.9in6mm / 0.2in11mm / 0.4in45mm / 1.8in6*25mm25mm / 1in6mm / 0.2in17mm / 0.7in48mm / 1.9in6*28mm28mm / 1.1in6mm / 0.2in17mm / 0.7in50mm / 2inQuantity: 1Weight: 21g~54g / 0.7oz~1.9oz (approx.)Package list:1 * Cutter Bit