Suitable for thin sheet metal, steel ropes, thin-walled profiles, tubes made of stainless steel and nonferrous metals, and composite materials. True 0.047 In. thick cutting wheel for fastest cutting action. Extreme hardness (V) for longest life. No burring, no blue thermal discoloration. Precision cutting accurate to the millimeter. Diameter: 4-1/2 In. Thickness: 0.047 In. Arbor Size: 7/8 In. Material Cut: Metal, Stainless Grit: Maximum Speed: 13,000 rpm Machine Use: Angle Grinder