KEYDEX 50 pcs RJ45 Snagless Network Ethernet Cable Plug Cover, Boot Cover, Cap Cover - Blue High Quality Snagless ethernet boots cover Protects RJ45 connector and helps to avoid snagging within the patching cabinet or along cable runs Suitable for all RJ45 presentations (CAT5 / CAT5E / CAT6 / CAT6A / CAT7) created from 0.25 Diameter UTP Cable Must be inserted prior to the RJ45 clip being connected Easy to use and a must for maintaing tidy network patching