The TP-120 telephone plug is a four-conductor plug with nickel-plated, brass contacts moulded into a plastic body. 

• 4-Conductor telephone plug
• Mates with Nexus series TJ-120, TJ-102, and TJ-101 jacks
• Includes: TP-120-8 shell, TP-120-5 stack assembly, TP-120-1 contact #1, TP-120-2 contact #2, TP-120-3 contact #3, TP-120-4 contact #4, TP-120-6 cable retainer