Trend 12 Piece Router Bit Starter Set contains a range of the most widely used cutters for decorative woodworking. Made from tungsten carbide with 1/4in shanks & supplied in a plastic carry case. Contains: 2 x Straight: 6.3 x 16mm & 12.7 x 19mm.1 x Dovetail: 104° x 1/2in.2 x Guided Round Over: R6.35mm & R9.5mm.1 x Guided Chamfer: 45°.1 x Guided Rebater: 9.5mm.1 x Guided Trimmer: 12.7mm.1 x Guided Cove: 6.3mm.1 x V-Groove: 45°.1 x Core Box: R6.35mm.1 x Guided Ogee: R4mm.