bbaker2001ExplorerFeb 03, 2016wheel chocksused to use the x chock. my 5th had 15" now 16 " not enough space for easy use. it came with 1 PAL wheel chock. should I need two. these spread to fit under wheel. are they as good.
Craig_AExplorerFeb 03, 2016I think you need two to stabilize the trailer. I've used these ROTOCHOK for about 8 years and they work great
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