This is the 1965 Chevrolet C10 Tow Truck Truck from the SF Demolition Derby series. It has great graphics and is one of the most colorful trucks they have released. There are only 15,196 produced in this "Derby Smoke Gray" color! 

If you collect Chevy Trucks, Wreckers, Demolition Derby or Johnny Lightning this is a very colorful piece for your collection (1:64 Scale)