The 184mm TCT circular saw blade set of three all have a 30mm bore with 20mm and 16mm reduction rings. There is a 20 tooth blade for coarse cut, 24 tooth for medium cut and a 40 tooth for fine cut. The teeth have been alternately offset to produce a high-quality clean cut. All the blades have been hardened and strengthened for longer life. They will cut hardwood, softwood, veneered board, chipboard and laminated board.