The Duralast Locking Fuel Cap #5791 is a black plastic fuel tank cap designed for universal fitment on cars and trucks. It includes 2 keys for secure access and has been 100% leak tested for reliability. The cap features a matte finish and is durability tested, making it a long-lasting replacement part for your vehicle. Made by the trusted brand Duralast and manufactured in Mexico, this screw-on cap does not require drilling or modifications for installation, providing easy and convenient maintenance for your fuel tank.