This item ships quickly- same or next business day. USPS Ground Advantage shipping includes tracking and usually arrives within 2 - 7 days to the contiguous 48 United States. Faster shipping services are available for an additional fee (select during checkout). Product Details Brand ARC ABRASIVES Manufacturer Part Number 71-10916AP Series Predator AP Flap Disc Type Type 29 Diameter 4-1/2 in Arbor Hole Size 5/8"-11 Arbor Hole Type Threaded Density Rating Standard Backing Plate Material Nylon Abrasive Material Ceramic Abrasive Grade Medium Grit 80 Abrasive Type Coated Coating Coverage Closed Maximum Operating Speed 13,300 RPM Features Longer Abrasive Flaps Trimmable Color Yellow UNSPSC 31191506 Country of Origin USA (subject to change) Product Description Cool-cutting flap discs for carbon and stainless steel are self-sharpening to remove material faster than other abrasives. Faster removal also keeps the surface cooler, making ceramic a good choice for heat-sensitive metals. Other workpiece material examples include structural steel, cast iron, and heat-sensitive alloys.