2 Sealed Atlas 215 Train Selector. Each sealed package is approx 5" x 1/2" x 5 1/2" and the total weight is 0.19lb. The packages have some shelf wear.

These devices enables the operation and control of two trains at the same time. Has four single-pole, double-throw switches to provide two-cab operation for four blocks. May be ganged together in any number to control additional blocks without inter-switch wiring. Can be used as area selectors for four-cab operations. Couples with #220 Controller.