100% brand new and high quality.
Mainly used for insulation protection of wire core, solder joints, inductors, also for rust prevention and corrosion protection of metal pipes.
The heat shrink tube would shrink and wrap the protected things tightly if heated under high temperatuer.
Flame retardant, wear resistant, with good sealing ability.
Easy to use - select the appropriate tube, put it on the wire joint and heat it to make it shrink with an air heater.