X-Chock Wheel Stabilizer - Pair - One Handle - 28012 Provides added stabilization and prevents tire shifts by applying opposing force to tandem tire applications As opposed to other chocks, the X-Chock works with the tires natural movement instead of against them Fits even the tightest of applications retracting down to 1 3/8 inches and extends to 12inches Rust inhibitive coating. Plated ratchet wrench with comfort bumper included Item weighs 11.2 lbs