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 sanders. Specification : Grit : 320 GritTotal Size : 1-inch x 42-inch/25mm x 1060mm(Wide * Girth)Abrasive Material : Aluminum Oxide Package Content : 5pcs x Abrasive Sanding Belt