The product is a set of 8 new Bosch Platinum Spark Plugs 6710 with a thread diameter of 14mm. This spark plugs are designed for gasoline vehicles and have a manufacturer warranty of 1 year. Made of platinum material and manufactured in Germany by Bosch, these spark plugs are known for their reliability and long-lasting performance. Each plug comes with a California Prop 65 Warning for nickel content. Perfect for igniting the fuel in your vehicle's engine, these spark plugs are a top choice for car and truck owners looking for quality components.