Milwaukee 48-40-4070 5-3/8-Inch 30T Ferrous Metal Blade Metal Imported The product is easy to use The product is durable The product is manufactured in Japan Dry - No lubricant required, saving time and money with less mess Cool - No extreme heat buildup preserves blade life and allows handling the work piece immediately Clean - No burrs eliminates secondary operations saving time and money Lasts up to 25-times longer than abrasive blades Diameter: 5-3/8-inch; Number of Teeth: 30; Arbor: 20 mm; Max RPM: 4,500; Kerf: 1.6 mm