The TE Connectivity / Raychem Brand part 202C642-51-0 is a Heat Shrink Molded Boot made from a durable ST Elastomer Polymer Blend in a sleek black color. This high-quality protective covering is designed to provide insulation and strain relief for electrical connections in a variety of applications. With reliable performance and easy installation, this molded boot is an essential component for ensuring the longevity and efficiency of your electrical systems.