328pcs Color Heat Shrinkable Tube Suit PE Heat Shrinkable Tube Heat Shrinkable Insulating Sleeve Combination Hot Pin

This heat shrink tubing assortment includes 328 polyolefin tubes in various diameters and colors, designed to provide electrical insulation, wire protection, and cable organization. When heated, the tubing shrinks to half its original diameter (2:1 shrink ratio), creating a tight, durable protective layer around wires, joints and components.

 Key Features

• Kit Includes: 328 pieces of multicolored heat shrink tubes (black, red, yellow, blue, green).

• Sizes: 8 diameters – 1.0 mm, 2.0 mm, 3.0 mm, 4.0 mm, 6.0 mm, 8.0 mm, 10.0 mm, 14.0 mm to fit a range of wire gauges.

• Shrink Ratio: 2:1 – tubing shrinks down to half its supplied internal diameter.

• Temperature Range: typically works from ‑55 °C to +125 °C, with shrink starting at ~70 °C and finishing near 110 °C.

• Material: flame‑retardant polyolefin for strong electrical insulation and mechanical protection.

• Applications: great for wire connection insulation, solder joint protection, cable repair, color coding, and everyday maintenance.

This kit is an essential accessory for electricians, technicians, makers and DIY enthusiasts needing reliable electrical insulation and cable protection.