TE Connectivity / Raychem brand part 381A302-51/164-0 is a heat shrink transition Y style connector, designed for creating flexible electrical connections. It is crafted from EPB (ethylene-propylene rubber) material in a sleek black finish, and comes packaged in either a bag or a box for easy storage and transportation. This versatile connector provides excellent insulation and protection for your electrical connections, ensuring reliable performance in a variety of applications.