Description :1.Sanding belt is coated with aluminum oxide abrasive materials, which is sharp enough to have strong grinding capability.2.Whether you are a professional or DIY amateur, these sanding belts are for many of your go-to sanderSpecification : Grit : 400 GritTotal Size : 1-inch x 42-inch/25mm x 1067mm(Wide * Girth)Abrasive Material : Aluminum Oxide Package Content : 5pcs x Abrasive Sanding Belt