Protective Tubing Included. High-quality direct replacement electrical connector allows you to replace only the damaged connector instead of the entire harness for a cost-effective repair. The terminals are manufactured with high grade materials such as copper alloy, brass, and phosphor bronze. The Housing is fabricated using polyamide resins. All of the materials together provide the connectors with prolonged life and superior performance in harsh environments. All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function. Offering thousands of high-quality pigtails and sockets for nearly every electrical job.