Check the listing for details. 100Pack 60/80/100/120 Grits 80mm Aluminum Oxide Triangular Sandpaper Sanding Pad. Condition: New. Listed at 20.75 USD. Specifications:Size: 80mm x 80mm x 80mm / 3-1/8" x 3-1/8" x 3-1/8"Granularity: 60/80/100/120 GritsAbrasive Material: Aluminum OxideSubstrate Material: Brown PaperPackage Content: 100pcs x Triangular Hook & Loop Sandpapers (25pcs of Each Grits)Descriptions:Aluminum oxide is a durable and hard material that lasts longer than other types of sandpaper. It can withstand high temperatures without losing its abrasive properties.Hook & loop connection sanding pads can be quick and easy to install and remove, and provide a secure hold. Can easily change the pads just in seconds. Hook & loop pads offer convenience, reliability and efficiency.Multitool sandpapers are suitable for wood, metal, plastics, and fiberglass, great for general grinding, polishing and sanding.