By Series RVR Series MV Series JX Series Refurbished Units By Category Remote-Controlled Trailer Movers Drill-Powered Trailer Movers Trailer Jacks Trailer Couplers Trailer Ball Mounts Trailer Wheel Dollies Accessories Trusted Brands Blackout Ball Mounts Jacks Couplers Blackout Blackout 3,500 lbs Coupler, 2 inch Ball $30.00 – $40.00 View Details Blackout 5,000 lbs A-Frame Coupler – 2 inch Ball $50.00 View Details