The HellermannTyton GST Category 5e keystone jack is the latest additonl to the HelaNet(TM) copper connectivity line. The slim-line design's reduced depth means there is more space at the rear of the module which allows for the higher bend radius required for large diameter cables and that they can be used in installations where shallow trunking is being used. GST Category 5e UTP Modular Keystone Jack, Yellow