The TE Connectivity / Raychem part 382A023-4-0 is a Heat Shrink Transition Y Style connector designed for flexible polyolefin tubing. This black connector is perfect for creating a secure and insulated transition in your wiring projects. Easy to install, durable, and reliable, this connector is a must-have for any electrical or automotive applications where heat shrink tubing is needed. Trust TE Connectivity / Raychem for high-quality heat shrink solutions.