This Evolution Stainless Steel Cutting Circular Saw Blade has the following specification: Diameter: 210mm Bore: 25.4mm Teeth: 54 Kerf: 1.8mm Max. Speed: 3,000/min. Designed specifically for cutting stainless steel, this 54-tooth configuration enables fast, efficient cuts. High-grade carbide teeth offer increased durability, and a hardened blade body ensures the blade runs truer for longer. It features a 210 mm blade diameter and a 25.4 mm bore diameter. The weight is 0.9700339528 pounds. Manufacturer: Evolution Power Tools.