The 15-10-4 TSS RG58 50RP PLUG TNC 50R is a TNC Straight Plug with silver plated brass contact, silver plated brass body and PTFE insulated as per ASTM D1457 and ASTM D1710 standards. The connector can be mounted on cable and has crimp termination. This RF/coaxial can be used to connect RG58 cable.