Firecore 4-1/2 Inch Diamond Blade Furturing high-quality superabrasive diamond, Firecore 4-1/2 Inch Diamond Blade offers the best combination of cutting speed, long life and a low cost per cut. Available for cutting Concrete, Masonry, Stone and Granite in Wet/Dry conditions. Package include: 1 x Firecore 4-1/2 Inch Diamond Blade Specifications Diameter: 4-1/2 Inch (115 mm) Arbor: 7/8 Inch (22.23 mm) with 20 mm Adapter Segment Thickness: 0.047 Inch (1.2 mm) Segment Height: 0.276 Inch (7 mm) Maximum RPM:13,200 RPM Read more Durable and Lasting Featuring high-quality superabrasive diamond, the blade is sharp and long lasting. Quick & consistent cutting Segmented blades with a high content of soldered diamond provide quick and consistent cutting. Max 13,200 RPM This diamond circular disc are produced specifically for use with general masonry materials such as concrete, roof tiles, stones, bricks and rocks. Read more Read more Firecore Diamond Blade 4 ½" Firecore Diamond Saw Blade 5" Firecore Wood Carving Disc 4 ½" Firecore Wood Carving Disc 5" Quantity 1 1 1 1 Compatible Material Stone, Marble, Granite, Brick, Masonry, Paving Flag, Concrete, Curb Stone, Marble, Granite, Brick, Masonry, Paving Flag, Concrete, Curb Wood, Laminate, Parquet (Hardwood), Plasterboard, Plastic Wood, Laminate, Parquet (Hardwood), Plasterboard, Plastic Diameter 4-1/2 Inch (115 mm) 5 Inch (125 mm) 4-1/2 Inch (115 mm) 5 Inch (125 mm) Arbor 7/8 Inch (22.23 mm) 7/8 Inch (22.23 mm) 7/8 inch (22.23 mm) 7/8 inch (22.23 mm) Segment Thickness 0.047 Inch (1.2 mm) 0.047 Inch (1.2 mm) 0.086 Inch(2.2mm) 0.086 Inch(2.2mm) Maximum speed 13,200 RPM 12,200 RPM 13,200 RPM 12,200 RPM