The SC-8 Auminum Wheel Chock is light, durable and dependable. This chock is all-weather and non-sparking. A great wheel chock for fire trucks and safety vehicles. This chock is designed with a claw bottom to grip whatever surface you are working on. The SC-8 will hold up to years of heavy use. Available with chain or in a kit with chain, sign and hanging wall bracket. Click order now to select your options.