WST4801 ST4801 Mod-U-Rail System Straight Module StandBuild the layout of your dreams one module at a time. Module Kits can be assembled and bolted together side to side in any configuration. The Straight Module Kit creates a module that is 18" d x 36" l (45. 7 cm x 91. 4 cm). Save over purchasing items separately. Track not included. Kit includes: 1 Foam Base 1 2" x 18" x 36" (1. 27 cm x 45. 7 cm x 91. 4 cm) 3 2" Risers 4 Profile Boards 8" x 24" (20. 3 cm x 60. 9 cm) 2 Connector Plates 3 Bolts 3 Wing