The 300-31270 is a black Heat Shrink Tubing made of thin-wall cross-linked polyolefin and offers 2:1 shrink ratio. The HIS-PACK-12.7/6.4 PO-X BK 5 flexible tubing provides a reliable insulation and protects against corrosion and mechanical in?uences. The tubing is used in general purpose of electrical insulation with a high level of protection against corrosion and mechanical abrasion.