BLMA 605 N Modern Signal Electronics Boxes Small AF218B

Trackside Signal Electronics Boxes are used to house the circuitry required to run grade crossings, trackside block signals, and more. Model Description: Sizes and Uses #605 - Small - Grade crossings and small block signal configurations. Dimensions: .525" Height X .5" Width X .18" Depth Model Features: - Injection Molded Plastic - Pre-Assembled - Painted Silver - 100% Accurate - Extremely Fine Detail - Etched-Metal Lift-Tabs Included Two per pack!