The FIT-221-1/8 BK147 is a black Heat Shrink Tubing made of cross-linked polyolefin. The tubing offers 2:1 shrink ratio and 1500psi minimum tensile strength. The tubing offers a reliable way to protect and seal terminations or add additional mechanical ruggedness. FIT preferred heat shrink products are made from premium compounds under the tightest manufacturing controls. This means FIT will consistently have excellent physical characteristics such as low longitudinal shrinkage and wide temperature ranges while providing an elegant appearance when used alone or on OEM equipment.