Precise Vehicle Compatibility: This Door panel arm rest cups are compatible with 1973-1979 Ford F-100/F-150/F-250/F-350 and 1978-1979 Ford Bronco—direct replacement for factory parts for seamless integration Durable Steel Construction: High-strength steel body resists deformation; electrophoresis + primed black finish prevents rust and fading for long-term reliability Organized Storage Solution: Adds dedicated space for cups, phones, cards, and small items—eliminates cabin clutter while keeping essentials within reach Non-Intrusive Design: Utilizes idle door handle space without interfering with door opening/closing operations Quick Installation: All required accessories included; No manual. Replacement installation in minutes—no professional tools needed