This product is a set of two front upper control arms with ball joints for Chevy Blazer S10 and GMC Jimmy S15. The mounting style is bolt-on, and it comes with all necessary mounting hardware included. Made of steel, these control arms feature a cotter pin hole for added security. They offer standard duty performance, easy replacement, and 100% accuracy of fit. The parts have OE/OEM part numbers 15661507 and 15661508, and are manufactured in China. They are designed for specific vehicle fitment and are not universal. Exact item pair is shown. This set is new without the original packaging. Includes control arms, mounting nuts, and cotter pins. Made in China. No returns on installed items or partial sets.