Railex System 200 Slick Rail Installation with End Frames and Brace Frames System 200 Slick Rail Storage & Trolley Systems Skills Posted on December 2, 2022 ← Railex System 771 Up-Down style conveyor. This machine is being installed for a commercial application where they will store items being used in photo shoots and commercials. Railex System 200 Joist Frames: These Joists are 10” tall, which allows for a 13’ wide clear span on this installation →