This set of 10 compatible Xerox ColorQube 8580 solid ink sticks includes 4 black, 2 cyan, 2 magenta, and 2 yellow sticks. Designed for reliable performance, these solid ink sticks deliver a total page yield of up to 17,600 pages, making them suitable for heavy-duty office use. The included sticks replace the original Xerox part numbers 108R00929, 108R00926, 108R00927, and 108R00928. Enjoy significant savings without sacrificing print quality, backed by our 100% Satisfaction Guarantee.