The SC-6 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-6 will hold up to years of heavy use. All aluminium wheel chocks are available with chains or in kits with chain, sign and hanging wall bracket. Click order now to select your options.