Cross-Compatible Design: Fits all BulletProof Medium, Heavy, and Extreme Duty steel hitches; this trailer hitch flag pole holder works with 2", 2.5", and 3" hitch receivers, and can be used in combination with a ball mount attachment. Secure Flag Mounting: Two 1.25" thumbscrews lock your truck, SUV, or RV flag holder securely in place; supports poles up to 1.5" in diameter and prevents wobble even during highway driving or off-road conditions. Built to Last: Crafted from solid steel and finished with our signature textured black powder coat; this truck flag pole holder offers exceptional durability, corrosion resistance, and performance in all weather conditions. All-Inclusive Hardware: Includes flag pole holder, two 1.25" thumbscrews, two heat-treated 5/8" corrosion-resistant pins, and two R-clips for quick and secure installation without extra tools. Versatile Application: Ideal for parades, tailgates, campsites, and more—this flag pole holder for trucks, RVs, and SUVs lets you proudly display your flag anywhere your adventures take you.