... tungsten carbide, hardened shank, in aluminum case 15 pcs Carbide Router Bits SetMade of tungsten carbide, hardened shank, in aluminum caseContents: Core ... : 12.7mm, Straight: 19.0mm, 90 degree Grooving 9.5mm, Flush Trim: 12.7mm, 45 degree Chamfer 30.0mm, Round Over:9 ...