The product is a set of OEM rear calipers with pads for GM vehicles such as the Tahoe, Escalade, and Yukon. These silver calipers come in a pair, with a piston quantity of 2. The calipers are manufactured in the United States and are compatible with various GM vehicle models from 2021 to 2025. The listing includes part numbers and interchange part numbers for easy identification and compatibility. The product is suitable for those looking to replace or upgrade their rear brake calipers on their GM vehicle.