The ALPHA WIRE FIT-221 F2213/16-BK103 is a high-quality heat shrink tubing designed for electrical insulation and cable bundling applications. With a diameter of 3/16" and a length of 4ft per package, this black heat shrink tubing is perfect for organizing and securing wires in various electrical projects.The FIT-221 tubing is made from durable materials that offer reliable protection against abrasion, chemicals, and extreme temperatures. Its shrink ratio of 2:1 allows for easy installation and a secure fit over cables and connectors. The tubing also features excellent electrical insulation properties, ensuring optimal performance and safety.Whether you're working on a professional electrical project or a DIY wiring task, the FIT-221 F2213/16-BK103 heat shrink tubing offers a smart and efficient solution for cable management. Its convenient packaging of 25x4ft per package ensures that you have enough tubing for multiple applications. Choose the trusted quality of ALPHA WIRE for your electrical needs.