Bal locking tire chocks (model 28012) set of two chocks provides added stabilization and prevents tire shifts by applying opposing force to tandem tires, works with the tires' natural movement instead of against them. Fits small spaces, retracting down to 1-3/8" and extends to 12". Includes ratchet wrench, new and unused in the original packaging. If you had ordered these from amazon they would have cost $145. Cash deal, price is FIRM.
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