The ALPHA WIRE part FIT221V3/16-BLACK-500 is a high-quality Heat Shrink Tubing designed for various applications. It is made of irradiated Polyolefin material and comes in a sleek black color. This tubing is known for its excellent heat resistance and durability. With a length of 152.4 meters (500 feet) per spool, it provides ample supply for your electrical insulation needs. Whether you are working on electrical wiring or cable repairs, this Heat Shrink Tubing ensures reliable and long-lasting protection.