The 641775-1 is a 4-circuit, in-line style enclosed strain relief designed for use with Universal MATE-N-LOK connectors. It is constructed from natural color UL94V-2 rated nylon and includes a cable clamping insert for securing wires. This strain relief accommodates a single wire diameter range of .040 to .190 inches (1.02 to 4.83 mm). The enclosed design provides robust cable management and protection against mechanical stress, ensuring reliable connections in various applications.