Aluminum wheel chocks are light weight and all weather. The SC model chocks are non sparking. These chocks are great for fire trucks and resuce vehicles. All of our chocks are anti-corrosive and will hold up to years of heavy use. See below for model options. All aluminium chocks are available with chains or in kits with chain, sign and hanging wall bracket. Scroll down to find your model. Select options after clicking on order now.