The unique design is fully rebuildable and eliminates the set screw found on most universal dogbones

Trainz Product Id: 12344351

and is fully assembled and painted

Trainz Product Id: 12295600

Trainz Product Id: 11981861

Digitrax BD4N DCC 4-Block Occupancy Detector ProductID_11680077 The unique design is fullyThis is a Digitrax BD4N DCC 4 Block Occupancy Detector. Low cost, High sensitivity DCC block occupancy detection. Adjustable resistance current detection section (DS) trip threshold. 8A capacity, suitable for all scales and track wiring configurations. Noise resistant and compatible with BDL168 sections. On board status leds for stand alone occupancy and track power indication, expandable for optional LT5 or fascia mounted occupancy indicator leds.