Some train parts require a minimum order quantity. To meet that minimum this listing already includes a quantity of 2. See picture(s) for a more detailed look at this item. Manufacturer: Lionel. Model Number: 2798-251. Variation: New. Category 1: Parts. Category 2: O MPC Parts. Availability: Ships within 1 Business Day! We are unable to provide parts lookup service or fitment assistance. Trainz Product Id: 11674849.