Image Item No. Description  2687  Monorail Base 4 x 20 Catalog: Parts: Monorail  2686  Monorail Bogey Catalog: Parts: Monorail  2697  Monorail Bogey Bracket/Pivot Catalog: Parts: Monorail  2686c01 (Inv)  Monorail Bogey with Bogey Bracket/Pivot Catalog: Parts: Monorail  2685b  Monorail Coupling Long (Sets 6399 / 6991) Catalog: Parts: Monorail  2685a  Monorail Coupling Short (Sets 6990 / 5040) Catalog: Parts: Monorail  2684  Monorail Motor Base Catalog: Parts: Monorail