Specification: Material: Aluminum Oxide Calcined Color: Brown Type: 80 Grit Outer Diameter: : Approx. 100mm/ 3.94" Inner diameter: Approx. 16mm/ 0.63" Height: 6 mm Max speed: 15000 rpm finishing 5pcs Sanding Disc Angle Grinder Wheel Application: Grinding, stock removal, edge chamfering/beveling, weld blending, cleaning, weld grinding, Applicable to general metal, carbon steel, alloy steel, stainless steel, cast iron, nonferrous metals Features: Hard-wearing,long service life, Especially suitable for stainless steel also great for mild steel Ideal for use on wood, metal and plastic. Ideal for The Home, Workshop, Hobbyists, Tradesmen, Builders and DIY Enthusiasts, etc. Suitable for: Stainless steel, metal, metallurgy, automotive, wood, marble and other industries grind or polished. flap disc continually produces new sharp points, wear resistance, good elasticity, good self-sharpening, super cutting force and low noise, creating faster