Ram 2-5/16" Cast Adjustable Coupler - 15,000lb Capacity Ram sleeve lock couplers feature a cast coupler head that is distinguished form other manufactures.  Its symmetric, straight with two corners, and flat top shape allows for a self adjusting coupler head.  This will make coupling and uncouple easier.  Comes with a durable black powder coat finish.  All cast head couplers include all SAE required markings and are compliant to standard J684 Adjustable couplers come with standard grade 8 bolts with nuts and are setup for an industry standard 3" channel. • 2 5/16" Ball • Casted Coupler • For 3" C-Channel • Mounting hardware included • 15,000lb Capacity