4U/5U Rail Kit w/ Handles, Quick Install for 4U Tower
Rail Kit - For 4U/5U Chassis (SC747) - 26.5" - 36.4" Extendable Length - Inner/Outer Rail Quick Release - Includes Handles
Rail Guide PIN for 7mm Unthreaded Round Hole Rack
TOP Black Cover w/ lock latch - 22.5" x 7" - for CSE-743 CSE-745 4U CASE
to make the 4U Style to Tower Style - ( 4x Foot is seperated ... +$20 )