With a 500-pound maximum tongue weight and a 5,000-pound gross trailer weight rating, Uriah products ut630004 is strong enough for your heaviest loads. Precision welded from high-strength premium steel and finished with hard-plated chrome, this class iii mount gives you a 3-1/4"" drop, or a 2"" rise when flipped over. It fits standard 2"" receiver tubes and has a 5/8"" hitch pin hole and a hitch ball mounting hole that accommodates balls with a 1"" shank diameter. The length is 10-1/2"" from the center of the pin hole to the center of the ball hole. Specifications Product Type: Standard Ball Mount Receiver Size: Fits standard 2 in. square receiver tube Maximum GTW: 5,000 lbs. Maximum Tongue Weight: 500 lbs. Hitch Ball Hole Diameter: 1 in. Hitch Pin Hole Diameter: 5/8 in. Overall Length: 10 in. Drop: 3-1/4 in. Rise: 2 in. Material: Steel Finish: Hard plated chrome