Rocket Posts can be used to run conduit and process pipe vertically or horizontally when a trapeze or wall mount application are not an option. Rocket Rack® Post Mounts, made from 2? Schedule 40 304S pipe, are sold individually. Post Mounts have a weld-sealed cap and mounting plate, (2? Sch. 40 304S Butt Welded Cap and 4 x 6 x 1/4 304S Mounting Plate with four 9/16? Mounting Holes).