This is a set of 2 The Okidata 45103728 Image Drum in black is a high-quality laser print technology drum unit specifically designed for OKI Data printers. This product is compatible with models such as the C931 and is ideal for producing sharp and clear black prints. With a lot of 2 included in the package, this image drum ensures consistent and reliable printing performance for your documents and images. The brand's reputation for quality and compatibility make this a trusted choice for those looking to maintain their printer's efficiency.