four” to ten” Drop Greaseless AlumiBall – no wish to lubricate tow ball and trailer receiver! Towing capability: 10,000 lbs with 2″ ball, 5,000 lbs with 1-7/eight” ball. Polished aluminum would possibly not rust, chip, or peel. Temporarily modify peak: Pull pin, modify, slip pin again into position – performed! Suits all same old 2.five” receivers. Meets V5 and SAE J684 certifications. Lifetime substitute guaranty on nylon cap! Made in america.