6" x No Hole discs have an Aluminum Oxide, non loading grain as well as a flexible and durable backing. The open coat and stearate resin are used to reduce clogging. The flexible backing on the discs is suitable for sanding profiled work pieces. Simply stick self-adhesive disc to appropriate backup pad attached to orbital sander. These discs are ideal for finish sanding on woods, paints, metal, plastic, cultured marble and solid surface and dry sanding of E-coat, primer & paint finish. These discs also work really well for use processing new generation water-based lacquers. Choose from a pack of 25, 50 or 100.