The TE Connectivity / AMP Brand part 172159-1 is a 4 circuit universal M-N-L cap. This cap is designed to provide an effective and secure connection for electrical circuits. It is manufactured with high-quality materials to ensure durability and reliable performance. With its universal design, this cap can be easily used in various applications. Whether you are working on a small DIY project or a large-scale industrial application, the 172159-1 cap is a reliable choice to ensure safe and efficient electrical connections.