20Pcs Cut-Off Wheels 4-1/2 x 3/64 x 7/8 - Inch Metal Stainless Steel Cutting Wheel Angle Grinder Cutting WheelProduct Specification:Aperture: 22mm (7/8")Thickness: 1.2mm (3/64")Out Diameter: 115mm (4-1/2")Maximum speed: 13,000RMPPackage Content: 20Pcs Cutting wheelsCompatibility: 4-1/2 x 3/64 x 7/8-Inch universal size, suitable for most angle grinders.Advantege: 3/64inch ultra thin design for fast burr free cutting with minimal material loss, make cutting project more precise and efficient.Bonded with corundum and white alundum grain and reinforced by double fiberglass mesh, these cutting discs perform much more aggressive cutting in metal and stainless with safety and longer service life.Notice: Wear all applicable safety gear when using these discs (eyes/ears/face/hands/body/etc).