IVY Classic 40080 Swift Cut 6-1/2-Inch x 3/32-Inch x 5/8-Inch Diamond Knockout Arbor， Metal Cut-Off Blade for Circular Saws， 1-Piece<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Designed to cut steel， angle iron， sheet metal and other ferrous metal products， Swift Cut (Registered Trademark)</li><li>Resin bonded Aluminum-Oxide grain for faster cutting， Type 1 blade - for cutting only</li><li>Blade double reinforced with fiberglass mesh for durability and safety</li><li>Arbor reinforced with metal for extra strength</li><li>Diameter: 6-1/2-inch， Width: 3/32-inch， Arbor: 5/8-inch Diamond Knockout， Max RPM: 9，400</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51CmDTKUNtL.jpg" noproxy>