The Makita B-33744/MCCS13656E Specialized Circular Saw Blade for Metal and Stainless Steel Cutting measures 136mm in diameter with a 20mm bore, giving a 1.1mm kerf. It fits the DCS552 Circular Saw. Specially formulated carbide with a unique tip design resists breakage on impact and lasts longer when cutting mild steel, sheet, pipe, channel and threaded rod. Cutting quicker and cleaner, Makita's metal cutting blades will outlast traditional abrasive discs by up to 30 times. Features: Specially formulated carbide tips precision ground for fast clean cutting Low sparking and minimal dust production Cool cuts with burr free edges Reduced cost per cut Specification: Blade Diameter: 136 mm Bore Size (Arbor Diameter) : 20 mm Kerf dimension: 1.1 mm Tooth Quantity: 56 Rake angle: 0 Saw blade type: Specialized