Build Limitless® 6-Post RackDescription Build Limitless 6 Post Power Rack The biggest, and baddest. You're looking to go all out. You want everything. All the attachments. All the storage. You want the Build Limitless 6 Post Power Rack. All Build Limitless Racks have 1" hole spacing on the uprights from 22" to 46". This allows for precise J cup and spotter arm placement where it really matters. Laser cut numbers on the front and back of the uprights provide easy reference when