Check the listing for details. SOUTHWEST WHEEL 2" Low Profile Sleeve Lock 7,000 lbs. A-Frame Trailer Coupler. Condition: New. Listed at 76.99 USD. 2" low profile 7,000 lbs. capacity RAM Sleeve Lock 50 degree a-frame coupler. 16" overall length. Black powder coat finish. RAM sleeve lock couplers feature a precision cast coupler head that is distinguished from other manufactures. Its symmetric, straight with two corners and flat top shape allows for a self adjusting coupler head. This makes it easy, yet safer for coupling and uncoupling.2" low profile 7,000 lbs. capacity RAM Sleeve Lock 50 degree a-frame coupler. 16" overall length. Black powder coat finish. RAM sleeve lock couplers feature a precision cast coupler head that is distinguished from other manufactures. Its symmetric, straight with two corners and flat top shape allows for a self adjusting coupler head. This makes it easy, yet safer for coupling and uncoupling.