Features:Material: Plastic1 Set of HP 940 Print Head1pc Black/Yellow C4900A for Office Jet Pro 8000 85001pc Cyan/Magenta C4901A for Office Jet Pro 8000 8500Compatible Models:HP OfficeJet Pro 8000HP OfficeJet Pro 8000 WirelessHP OfficeJet Pro 8500HP OfficeJet Pro 8500 PremierHP OfficeJet Pro 8500 Wirelessincludes:1 Pair x 940 Print HeadAbout shlpping: All items will be shlpped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact usDuring the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shoppingThanks for your cooperation and we"ll make you feel satisfied. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.