Hoffman FLOORPOST, Floorpost W/Junction Box, 11.90X11.9X74, Steel/GrayProvides method for mounting the SYSPEND¢ VL and VHD Motion Arms when a structural surface is not available.Features:Heavy-wall 3.5-in. structural tube welded to a 12 x 12 x 3/8-in.-thick baseplateProvides a "rough-in" point and pull box for power and network field wiring Includes internal CAT5 coupler and finger-safe power terminalsTwo conduit knock-outs can be opened to either 1/2 in. or 3/4 in.Fully gasketed 16 gauge cover panel on junction box can be used for additional conduit attachmentTough, molded ABS junction box is contoured to fit the post and is fluted into the post to protect cables