This high-yield combo pack of HP ink cartridges produces hundreds of pages: 550 black pages and 750 coloured. The black and CMYK cartridges produce precise, micro-fine ink drops for the highest quality results. The cartridges are compatible with the following printers: HP Photosmart D5460, HP Photosmart B8550, HP Photosmart Range Specifications Black page yield: 550 pages CMYK page yield: 750 pages Dimensions: H124 x W38 x D17mm