By Series RVR Series MV Series JX Series Refurbished Units Blackout Ball Mounts Jacks Couplers By Category Remote-Controlled Trailer Movers Drill-Powered Trailer Dollies Trailer Jacks Trailer Couplers Trailer Ball Mounts Trailer Wheel Dollies Accessories Blackout Blackout 3,500 lbs Coupler, 2 inch Ball $19.99 – $24.99 View Details Blackout 5,000 lbs A-Frame Coupler – 2 inch Ball $34.99 View Details