FUNCTIOPN: Stabilization and prevent the tires from moving by applying opposite force to the tandem tires,prevent the tires from sliding on a slight slope
HIGH SECURITY: When the wheel stabilizer is extended to the right position, we are suing password locks to lock the holes, don't worry about the keys losing
TIME-SAVING INSTALLATION: With the included drill bit you can quickly adjust and install Maxchock x wheel chocks with any power drill in seconds – no hand cranking
MATERIAL: Stronger and more durable, made of heavy duty iron, improve firmness and stability. surface zinc plated for silvery color , and powder coated for black, grey and red color, it won't rust easily
STORAGE: Included 2 chock stabilizer, 2 password locks (no key required), 1 hex socket, 1 handle driver, bag and gloves