Hot-dipped galvanized, tire mounts securely on frame or tongue. One-piece construction for extra strength to withstand vibration. Holds 4 or 5 lug wheels and adjusts for frames up to 3" wide by 4" high. Tire mounting hole centers 4-9/64". Side offset is 4-1/2" from frame with 5" rise for ground clearance. All mounting hardware included. Packed in display box.