APC Horizontal Cable Manager Single-Sided with Cover features cable tie-off & cable access slots in the backplate for front to back cable pass-through. Cable protection Smooth plastic fingers provide proper bend radius. Trouble-free access Covers with snap hinges provide trouble-free access to cables. 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 rackspace unit & a rigid design to decrease deflection when cables are routed in/out of the cable manager channel.