The Flex 25629 is used for decorative finishes in glass, ceramics, wood, metal, paint and varnish surfaces, and metal finishing. Features: * 400 Grit for sanding and polishing a variety of materials * Designed for use with the Flex LP1503VR Sander What"s In The Box: * Flex 25629 400-Grit Fleece Sanding Sleeve for LP 1503 VR