Check the listing for details. Starcke Premium 5 Inch PSA Gold Sanding Discs Aluminum Oxide. Color: Gold, Condition: New. Listed at 12.25 USD. 5 Inch No Hole | 25 or 50 Pack | Grit: 40/60/80/100/120/150/180/220/240/280/320/400/600/800 Assortment - 80/150/220/320/400 Grit 25 Pack contains 5 of each/50 Pack 10 of each Premium gold Aluminum Oxide grain on C/D-weight paper backing with anti-loading/clogging features PSA/adhesive backed tabbed sanding disc with easy release liner for use with backup pad Exceptional results in dry sanding and finishing applications for wood, auto body, marine, paint, primer, metal, plastics, fiberglass and composites Professional grade, German quality, stocked & shipped from the US Starcke is family owned with over 100 years of experience in manufacturing abrasives 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.