Three-piece, 3-1/2" sq post has stabilizing 4-strut mount. Height adjusts easily with screw-jack lift. Steel-framed acrylic backboard has rugged Z-arm mounts for support. Two-wheel base rolls easily. Includes Arena Slam™ breakaway goal, all-weather net, and front cover that acts as an auto-rebound board. The 40-gallon base requires 320 lb of sand or water ballast (holds up to 475 lb). Assembly required. 200 lb. Truck delivery.