Image Item No. Description  65186  Vehicle, Base 4 x 10 x 1 2/3 with 4 Side Pin Holes Catalog: Parts: Vehicle, Base  65202  Vehicle, Base 6 x 10 x 1 with 2 x 4 Recessed Center and 2 Holes Catalog: Parts: Vehicle, Base  65634  Vehicle, Base 6 x 12 x 1 with 5 x 4 Recessed Center and 8 Holes Catalog: Parts: Vehicle, Base