The DEWALT EXTREME 2nd Fix Circular saw baldes 165mm 20mm Bore 40T has a thin kerf to ensure that less push force is required by the user and that they cut straighter with reduced binding. Anti-vibration slots and ultra sharp teeth deliver a superior cut finish. Ideal for ripping and cross cutting natural timbers and cutting composite wood based sheet materials like plywood, MDF, chipboard, decorative wood cutting such as skirting boards, dado rails, architraves.