LABLT 100Pcs 4-1/2" X 7/8" 40 Grit Premium Zirconia Flap Dis Sanding Grinding

Grain: 40 Max Speed: 13300 RPM Premium Quality: This Flap Disc is constructed of industrial grade, high density, high quality zirconia material. High efficiency of grinding, abrasion resistance, resistance to static and clogging, long Service Life. Size and Quantity: 4-1/2 inch diameter, 7/8 inch arbor, 100 Pcs Wide Appliation: Suitable for stainless steel also great for mild steel. Designed for grinding, blending and finishing on a wide range of metal.