Sherco Automotive & Marine Supplies Details: Applications include: electrical insulation of cable splices, moisture and corrosion protection, wire harness covering, professionally finish wire harness ends, color coding and prevent strain relief. Available in: 12" long Cut Lengths (4 per bag). Available Colors: Black, Clear and Red. Made in the USA. Specs: - SHRINK RATIO 3:1 shrinks down to 33% of original (round) diameter. - Highly Flexible Heat Shrink Sleeve. - Made of Polyolefin. - Flame-retardant (except clear) Self-Extinguish UL224 (except clear) aand heat resistant. - Dual Wall- Adhesive (modified polyimide glue) lining seals and protects against corrosion, moisture and contaminants. - Inside coating of adhesive is heat activated. - Watertight bond provides environmental protection for electronic components. - Great for outdoor use on automotive and marine applications. - Variety Kits available with 100 pc and 48 pc assortments. - Flexible Adhesive-lined Heat Shrink Tubing 3:1. - Mil Specs: MIL-DTL-23053/4, Class 3. - UL: E157227v - Recover Temp 121°C. - Continuous Operating Temp -55°C to 110°V.