This ignition lock cylinder is a Standard Motor Products brand part with the manufacturer part number US-287L. It is designed for use in vehicles and is an essential interior part that contributes to the overall functionality of the car or truck. The cylinder is made of high-quality materials and is designed to provide reliable and long-lasting performance. However, it is important to note that this product contains a chemical known to the State of California to cause cancer, as indicated by the California Prop 65 Warning. This is a serious issue that must be addressed before using the cylinder in any vehicle.