Features:Can be used for wire connection, solder joint insulation for protections, wire for protections, metal corrosion prevention.560 Pieces, 4 colors: red/rellow/blue/greens,12 different sizes, meeting your all kinds of needsElectrical heat shrink tubing material composition does not contain heavymetal and other environmentally hazardous substances. No slowly or long-term virulence. No need to worry about your forhealthwhen using heat shrink wraps.Covers all gauges of heat shrink wires you will need in RChobbies and many other applications.heat shrink tubing assortment is mainly used in wire connection, rust prevention and corrosion for protections of solder joints, for protections and insulation processing of wire end, wiringharness and electronic component. Also works well for protecting headphones and phone cable.Excellent flame retardant and insulation performances. Soft and flexible wire shrink wraps, low shrinkage temperatureminimum shrinkage temp, fast shrinkage, easy and convenient to use with a heatgun. Specifications:Material: PESize: As Picture ShownColor: Red/Yellow/Blue/Green Note:Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:560 Pieces Tubing