CREATE A 4POST RACK: Converts 2Post racks to 4Post racks, allowing you to mount 4Post equipment in 2Post racks. CUSTOMIZABLE SPACE: Only convert the space you need; Ideal for flexible setups and configurations. HIGH CAPACITY: Supports up to 50 lbs per rack unit; Solid steel construction for durability. WIDE COMPATIBILITY: Works with standard EIA 19' and 23' telecommunications racks; Compatible with 3' and 6' uprights. INCLUDES HARDWARE: Comes with all necessary hardware for quick and simple installation; Easily install in existing racks.