81161/05 Castline M2 Machines - Ground Pounders with Engine Blower Release 5. 1:64 scale diecast collectible models, 3" long die cast model cars with openable hoods. GM is a trademark of the General Motors Corporation. Each car sits on a display plaque, and individually blister carded. Card size is 5.5" x 7.25". Manufactured by Castline. 6 pcs per inner. Assortment includes: 1957 Chevrolet Nomad, 1969 Ford Mustang GT, 1969 Pontiac GTO, 1970 Chevy Chevelle SS, 1970 Dodge Challenger R/T & 1970 Mercury Cougar XR7.