Add an internal or external facing cable management hook for strain relief and organization Compatible with standard 19' 2-post or 4-post racks Sturdy steel construction 2.4x3.9in (6x10cm) Right-angled bracket with 2 sets of mounting holes for flexible positioning Cable Management / D-Ring Hook / Cable Hanger / Rack Cable Organizer / Rackmount Cable Manager Use with server racks and cabinets to keep cables neat and tidy