This product includes 10 OPC drums compatible with FS-1124, FS-1016, FS-1110, 1135, FS-1024, FS-1300, FS-1028, FS-1320, FS-1370, 2810, and 2820 printers.Designed to work with DK-130 and DK-110 systems.Packaged in standard retail packaging.Manufactured in China.