With the Oki 4510371 Black, Cyan, Magenta, and Yellow Image Drum Multipack, you get excellent value for money. The Oki 4510371 drum multipack is durable, helping to reduce downtime while lowering operating costs. This original 4-color Oki 4510371 drum pack is easy to use and install. With the Oki 4510371 drum pack, you can expect your printer to produce clearer and more professional documents. Each of these original Oki drum units 45103713, 45103714, 45103715, and 45103716 lasts for 40,000 prints.