C4 Fabrication - Swing Arm Ham Antenna BracketFeatures: Ham antenna bracket bolts onto C4 rear bumper swing arms. No drilling required. Hardware included. C4 products ships free to lower 48 states. Shipments outside the U. S. or to Alaska or Hawaii have a higher shipping rate. Customers will be notified in advance with a shipping quote and then once the order is ready to ship, will be invoiced the final shipping cost from C4 Fabrication.