100 Pack 4-1/2 X 7/8 inch 40 Grits Premium Zirconia Flap Discs Grinding Wheel Sandpaper for Grinding

Max speed 13300 rpm Grain: 40 Suitable for stainless steel also great for mild steel Hard-wearing, long service life for our flap discs Designed for grinding, blending and finishing on a wide range of metal