Hardened and tempered diamond blade with segmented rim for a faster cut. General purpose blade for use on concrete, bricks, stone, granite and marble. Suitable for dry and wet cutting, with optimum results when used wet. Compatible with petrol saws with a 20mm bore. Diameter: 300mm, Bore size: 20mm, Segment height: 10mm, Maximum speed: 5,100rpm , Kerf: 3.2mm, Blade construction: Sintered , Weight: 1.212kg