stabilization & performance bal zinc-plated steel resists rust rv products group adds up to 4" in lift extend or retract both front and back chocks by turning the large capacity honeycomb design makes leveler lightweight but durable just pull cable to release simply step on the arms to lock the chock in place and pull up on the fastway® onestep" tandem axle wheel chock is the fastest on the arms to lock the chock into place and pull up on the cable for easy removal - little or no bending to set and remove! adjusts easily from 16" to 24” and once set it can be padlocked in place to deter only at camping world and gander rv & outdoors sure-grip serrated surface top and bottom wheel chock with non-skid base product oversized for trailers and small trucks two super wheel chocks are connected removing the chocks from the wheel safe and easy 87"w x 5"h use it as a tire chock for tandem wheel trailers or as a chock for your designed to secure your tandem axle trailer against both forward and 9"l x 6" x 5"w 7"w x 8"l x 5"h heavy-duty leveling system combines wood and reinforced plastic simply cut your own 2" x 8" wood board for use with the plastic ramps included wheel chock locks into leveling system or works as stand- stabilization & performance see page 223 for details | catalog & internet only