... case 15 pcs Carbide Router Bits SetMade of tungsten carbide, hardened shank, in aluminum caseContents: Core Box Bit: 6.35mm, Straight: 3 ... ,2mm, Mortising: 12.7mm, Dovetail: 12.7mm, Straight: 6.35mm, Panel Pilot: 6.35mm ... , Straight: 12.7mm, Straight: 19.0mm, 90 degree Grooving 9 ...