Includes 1PC T6761XLBK, 1PC T6762XLC,1PC T6763XLM,1PC T6764XLY, MAGIC-PRO Ink Cartridges (Total 4Pack) For use in the following Epson Inkjet Printers: Epson WorkForce WP-4020, WorkForce WP-4530, WorkForce WP-4540, WorkForce Pro WP-4010, WorkForce Pro WP-4023, WorkForce Pro WP-4090, WorkForce Pro WP-4520, WorkForce Pro WP-4533, WorkForce Pro WP-4590. Built to ISO9001 and ISO14001 Factory StandardMagic-Pro