The only GM officially licensed keychain. Product made in the USA. Miniature replica of a car engine piston and connecting rod assembly. Key chain made from solid casted metal in chrome finish. The OEM logo is a full-colored graphic with a poly-resin clear dome. Size: 2-1/2 x 3/4 inch. Perfect gift for you or a loved one. This is an officially licensed product, ensuring authenticity, quality, and meticulous craftsmanship. Product made in the USA. Miniature replica of a car engine piston and connecting rod assembly. Key chain made from solid casted metal in chrome finish. The OEM logo is a full-colored graphic with a poly-resin clear dome. Size: 2-1/2 x 3/4 inch. Perfect gift for you or a loved one. This is an officially licensed product, ensuring authenticity, quality, and meticulous craftsmanship.