The HST0.8-6-XY Thick Wall Heat Shrink features an adhesive lined inner wall that seals and provides excellent protection against moisture. Applications include insulating and protecting wires/cables in outdoor, wet locations. Thick wall for direct burial. Voltage rating: UL 486D Listed for 600 V 90°C continuous use. Shrink ratio: 3:1. Temperature range: -67°F to 230°F (-55°C to 110°C). Cross-linked Polyolefin. 0.75" (19.1 mm) dia. 6.0" (152.4 mm) length. Color Black. 10 per package.