S28500-KIT SMI Air Crossing Arm Assembly with Poly Blade(0)No Reviews yet $279.00 Quantity discounts available QuantityPrice SKU: S28500-KIT Quantity -+ Add to Cart Details SMI complete crossing arm assembly.Air actuation. Poly blade. Details Back DetailsSMI complete crossing arm assembly.Air actuation. Poly blade. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review