Features: *The flap disc sanding grinding wheels, mainly used to metal grind. *Efficient and low consumption, hard-wearing,long service life. *Ideal for The Home, Workshop, Hobbyists, Tradesmen, Builders and DIY Enthusiasts, etc. *Applicable to normalmetal, carbon steel, alloy steel, stainless steel, cast iron, nonferrous metals and other weld grinding. *Super cutting force, great for fast cutting. *Practical and durable. Specifications: *Material:Zirconium Corundum *Color:Blue (As pictures show) *Diameter: 75mm / 3inch(Approx) *Hole Diameter: 10mm(Approx) *Grit: 120# *Quantity: 3pcs Package Included: 3*Grinding wheel Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data