LIFTMASTER Garage Door Openers 41A4208-2 Chain Spreader Chain spreader compatible with models 1046, 1056, 1146, 1156, 1246, 1256, 1245R, 1256R, 1346, 1356, 2595, 3595, 4001, 701WHC, 711WHC (all models may not be listed).