General description AlwaysH offers a comprehensive set of 900 pieces of black heat shrink tubing, available in 12 different sizes ranging from 1mm to 13mm. This high-quality tubing is designed for various applications including solder joint protection, line bundling, and electrical resistance. Made from thermoplastic polyolefin, it provides excellent electrical, chemical, and physical properties, making it suitable for household, commercial, industrial, and military uses. Technical specifications Material: Thermoplastic polyolefin Sizes: 12 different sizes from 1mm to 13mm Usage Electrical insulation Wire bundling Rust prevention and anti-corrosion protection of solder joints Protection and insulation treatment of wire ends, harnesses, cables, and electronic components Other information Flame retardant Non-toxic and eco-friendly Can be shrunk using an oven, heat gun, or other hot gas flow sources