Deluxe Chock & Lock: Collapses to just 1.5" and expands to 5.25"
Ultra Deluxe Chock & Lock: Collapses to 4.5" and expands to 10"
by Camping World – June 19, 2015
Eliminate front-to-back motion by anchoring the wheels of tandem axle trailers and 5th wheels.
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