The CMHOOKMW Multi-Directional Vertical Cable Management D-ring lets you add an internal or external facing cable hook to your server rack or cabinet, to provide an organized channel for cables. Constructed of high-quality steel, the cable management ring measures 2.4 x 3.9in (6 x 10cm). For flexible mounting options, the cable ring features a right-angled mounting bracket with 2 sets of mounting holes, enabling you to face the D-ring in the direction that best fits your application. Providing strain relief for attached cables, multiple cable rings can be attached to your rack where you need them for a versatile cable management solution. Backed by a StarTech.com 2-year warranty. Route cables neatly through your rack with an easy-to-install cable management ring Face the D-ring internally or externally to the rack, with a right-angled mounting bracket Increase the longevity of your server and networking equipment interfaces by providing cable strain relief • Color Black • Enclosure Thickness 2 mm [0.1 in] • Enclosure Type Steel • External Height 64 mm [2.5 in] • External Width 102 mm [4 in] • Product Weight 173 g [6.1 oz] • Warranty 2 years