APC by Schneider Electric Horizontal Cable Manager - Cable Manager - Black - 2U Rack Height - AR8603A

Cable tie-off bottom plate single-sided with cover

Cable passthrough and air containment - Pre-installed brush strips provide air containment and accessibility from the front to the rear of the enclosure.
Cable protection - Smooth plastic fingers provide proper bend radius.
Cable tie-off bottom plate - Horizontal cable manager bottom plate provides cable tie-off features for bundling cable with toolless hook-and-loop cable managers (AR8621).
Double-sided capable - Horizontal cable managers include double-sided configuration hardware to install (2) alike horizontal cable managers back-to-back for double-sided applications.
High capacity cable finger design - Cable managers feature high capacity slim cable fingers to provide maximum capacity at every rack space unit and a rigid design to decrease deflection when cables are routed in/out of the cable manager channel.
Horizontal cable routing front-to-back - Pass-through holes and mounting slots support horizontal cable troughs for front-to-back cable pass-through using cable management accessory AR8016ABLK.
Trouble-free access - Covers with snap hinges provide trouble-free access to cables.