This is a compatible 2-pack of replacements for the Xerox 108R00929 black solid ink sticks, designed for use with the Xerox ColorQube 8570 series. Each stick delivers a standard yield of up to 4,400 pages, ensuring brilliant, professional color output. Manufactured entirely brand new, these solid ink sticks provide consistent performance on virtually any media. Backed by our 100% Quality Satisfaction Guarantee, our high-quality compatible replacements offer an economical alternative to genuine Xerox products.