【Harmless to Health】: The composition of the material of the heat shrink tubing does not contain material such as PBBE, PBBO, PBB, etc. It does not generate harmful gases when heat shrinking the tubes.

【Black Heat Shrink Sleeving Ratio 2:1】: The heat shrink cable sleeve has excellent flame-retardant and insulating properties. The contraction is fast and the shrinkage temperature is low. Soft and flexible, quick shrinkage, acid and alkali resistance, anti-aging.【650pcs Heat Shrink Tubes Kit with 8 Sizes】: There are 650pcs black heat-shrinkable tubes in the transparent box. Inner diameter included: 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm. Very easy to heat it with soldering iron, heat gun or even hair dryer (hot enough).【Wide Application】: Heat shrink tubing covers all wire specifications needed in a wide range of applications. It is mainly used in wire connection, corrosion protection and rust protection of solder joints, protection and insulation, also useful for repairing an injured sheath. Also an ideal gift for your father and mother on Thanksgiving Day, Christmas.

Package Included:

650 x Heat Shrink Tubes Kit

Detail Pictures: