100-Piece Heat Shrink Tubing Set in Organizer Electrical Insulation : This 100-piece heat shrink tubing set offers a variety of sizes (0.25mm to 6mm), perfect for electrical insulation in electrical, electronics, computer, and telecommunications applications. Tin Plating for Better Adhesion: Heat shrink tubing is tin-plated for better adhesion to solder. This makes for longer-lasting and more reliable connections. Protection against corrosion and moisture: Heat shrink tubing provides effective protection against corrosion, moisture, and dirt, making it ideal for applications requiring durable insulation. Various sizes for different applications: The kit includes a variety of tubing sizes, from 0.25 mm to 6 mm, to suit a variety of applications. This makes it easy to find the right tubing for your job. Ideal for hard-to-reach areas: Small tubing sizes, especially those starting at 0.25 mm, make the kit ideal for working in hard-to-reach areas such as electronics and telecommunications. Specification: for wires with cross-section: 0.25 - 6 mm2, 26-10 AWG tube length: 27 - 40 mm tube inner diameter: 1.7 - 6 mm tin melting temperature: 105°C shrinking temperature: 80°C