10SET X C7769-40169 C7769-40153 Spindle Hub Blue+Black for Designjet 500 500ps 510 800 800ps 820 1050c 1055 70 90 100 120 130 This set includes 10 spindle hubs in blue and black colors, compatible with Designjet models 500, 500ps, 510, 800, 800ps, 820, 1050c, 1055, 70, 90, 100, 120, and 130.The kit consists of part numbers C7769-40169 and C7769-40153.These spindle hubs are designed to support proper functioning of the printer's paper feed mechanism.Each unit is built to match the specifications of the components for installation and performance.