Simply put
• Channel braced reinforced doors with gas springs
It features a bolt-on mounting system for secure attachment to your trailer and offers a snap-up design that can be leveraged into place with a weight distribution lift handle #17112
Fits on all steel Holman shelving units
Measuring 42in wide
CURT Class 4 Trailer Hitch Ball Mount, Fits 2-Inch Receiver, 12,000 lbs, 1-1/4-Inch Hole, 8-Inch Drop, 7-Inch Rise Model 45448 Drop Down Ladder Rack Simply putCURT Class 4 Trailer Hitch Ball Mount, Fits 2 Inch Receiver, 12,000 lbs, 1 1 4 Inch Hole, 8 Inch Drop, 7 Inch Rise Model 45448 When you demand more from your towing equipment, CURT heavy duty ball mounts answer the call. For towing those especially heavy loads and bulky trailers, you need a ball mount that knows how to handle itself when the going gets tough. Our heavy duty ball mounts are constructed from quality steel and feature a 2" x 2" shank.