Check the listing for details. Maxell 4.8GB 5.25" Write Once Optical Disk 1024 B/Sector, ISO/IEC Formatted. Condition: New. Listed at 23.00 USD. Maxell OPTICAL DISK 4.8GB WORM. 5.25", MA192-SOWO. Formatted in compliance with ISO/IEC specifications and is ready for use in systems which accept ISO formatted media. New 5.2GB Maxell Optical Disk Media. It is made for 5.25" drives and has 2048 MB byte sectors. It's Maxell reorder number is 590510. New old stock, unopened in brand new condition, factory sealed. Combined shipping available. All questions welcome! Most items in our store are Vintage New Old Stock from our Brick and Mortar 3rd generation Family Owned Business. All items stored in a clean, dry, smoke free environment, no sunlight exposure. All items sold as is. Please see all pictures. Additional pictures available upon request. All sales final. Returns are not accepted. Message for private lots and listings. Hours of Operation: Monday thru Friday 8 A.M to 5 P.M. EST Retail and ebay store closed on Saturday and Sunday. Offers made after 5 P.M EST on Friday or on Saturday and Sunday will not be seen until Monday.