The Alpha Wire FIT2213/8-WHITE-25X4 is a high-quality heat shrink tubing designed for electrical insulation and protection. With a diameter of 3/8, this white tubing is perfect for a variety of applications. It is supplied in a pack of 4ft length, allowing for multiple uses. The FIT-221 shrink tubing offers excellent mechanical strength and resistance to harsh environments. It is ideal for wire splicing, bundling, and cable identification purposes. Upgrade your electrical projects with this reliable and durable Alpha Wire heat shrink tubing.