The product is a set of 4 Bosch 96337 spark plugs designed for vehicles such as the MDX Voyager, Durango, and Pilot. These double iridium spark plugs feature a fine wire design, platinum and iridium construction, and a 16mm hex size. Made in Germany, these spark plugs are designed for gasoline engines and have a thread diameter of 12mm. They also carry a California Prop 65 warning for cancer and reproductive harm. Bosch is a trusted brand known for producing high-quality ignition components, making these spark plugs a reliable choice for optimal engine performance.