XIANQI 6mm Shank Ball End Grooving Router Bit Set with 4 Different Cutting Diameter: 6mm/ 8mm/ 20mm/ 22mmMade of carbide alloy, high hardness and durable for long time, meet the high demands of woodworking.Round nose head, sharp blade for cutting rounded grooves and decorative slots in woodworking projects.Used with an edge guide to cut coves, great for fluted moldings, decorative columns, finger pulls, sill drip nails.Ideal woodworking cutter for plywood, chipboard, laminated veneers, MDF, solid surface, softwood, and other wood composite materials.Specification:Bit Type: Round Nose BitMaterial: Carbide alloycolor: as the pictureShank Diameter: 6mmSizes: (Head Diameter x Cutter Height ---- Overall Length)6mm x 5.5mm ---- 57mm8mm x 7.2mm ---- 58mm20mm x 19mm ---- 63mm22mm x 22mm ---- 65mmPackage Included:4 x 6mm Shank Round Nose Router Bits Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.