CURT 25328 Channel Mount Adjustable Trailer Coupler, Accepts 2 5 16 Inch Hitch Ball, 15,000 lbs. SEAL The CURT Q20 features a GH 1724 The CURT Q20 features a gross trailer weight capacity of 20 000 pounds gross trailer weight and 100 pounds tongue weight (never exceed the lowest rated towing component) If you are replacing a broken coupler on your trailer or installing a new one on a trailer you are building Compatible with CURT channels #48610 and #48650 Secured by a dual bolt mounting system Channel mount allows for easy height adjustment Easy lock latching system with included safety pin for optimum security Safety pin hole can also accept a coupler lock Constructed from heavy duty cast steel Protected by a durable carbide black powder coat finish Limited lifetime warranty (one year finish