Wonderful replica, exactly like the original. High quality casting of white metal (tin alloy). Threaded and ready to install for your SK 800 locomotive. This truck mount is the pre-War version and was used for the last time in the SK 800 locos from 1945. Starting in 1946 a different truck mount was introduced with increased support. Both versions are compatible and either can be used for your SK 800 locomotive. Listing is for Quantity 1 — enter the quantity that you desire.