Tow smarter with TowSmart.A(R) The TowSmart Class IV Chrome Trailer Hitch Ball fits directly into your trailer coupler and creates a more secure connection to your valuable cargo. Heavy-duty threads provide a secure, lock-tight hold. Made of durable, heavy-duty construction with a chrome-plated finish that is corrosion-resistant to withstand any weather. 3,500-lb. capacity 2" ball diameter 3/4" shank diameter, 2 3/8" length Provides connection point for your trailer coupler Fits directly into your trailer coupler Includes locking washer, mounting nut and wrench flats Lockrail functions as a built-in wrench Made of durable, heavy-duty construction with a chrome-plated finish Order today!