This product is a set of 8 GM 90193258 hydraulic brake hose washers specifically designed for the 2007-2011 Chevrolet HHR. Made of copper with an outer diameter of 9/16 inches and an inner diameter of 3/8 inches, these washers are rust-resistant and petroleum resistant. Manufactured by GM in Germany, the washers come with a California Prop 65 Warning for cancer and reproductive harm. They are a genuine OEM part, featuring a vintage design and a universal fitment. Perfect for placement on the rear, left, or front of the vehicle, these washers provide high-quality performance and durability for your braking system. Representative item set is shown. New old stock without original packaging, which is only shown for reference. Copper, outer diameter 9/16 inch, inner diameter 3/8 inch. Made in Germany. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.