Nice, older, maybe 1970s to 1980s era, HO scale, lot of 3 Swift reefers, two are gray Tyco SRLX 4226 and one is unmarked 1020, in the pictures. Tyco are 5 3/4" long, white one is 5 3/8 inches long. Nice lot, very good shape with light wear from use, two missing brake wheel, nice shape with light use, one has different trucks, some light rusting to a few axles, could use a general cleaning. Zoom in for details.