3M™ Wetordry™ Abrasive Sheet 401Q, 01998, 3000, 5 1/2 x 9 in, 50 sheets per carton and EaConvenient sheet can be used wet or dry on paint, primer, gel coat and metal Waterproof backing supports wet applications for decreased loading and a faster cut Silicon carbide mineral is our fastest cutting abrasive for a superior finish Range of fine grades from 1000 up to 3000 for the most professional results Specifications Abrasive Material Silicon Carbide Application Blending, Fine Scratch Removal, Finishing Attachment Type None Backing Material