Terminals:
35 * Red shrink connectors: diameter: 3.0 mm, cable cross-section: 0.5-1.0 mm2
35 * Blue shrink connectors: diameter: 5.0 mm, cable cross-section: 1.0-2.5 mm2
20 * White shrink connectors: diameter: 1.5 mm, cable cross-section: 0.3-0.5 mm2
10 * Yellow shrink connectors: diameter: 6.0 mm, cable cross-section: 4.0-6.0 mm2

Working temperature: - 131 Degree Fahrenheit to ~257 Degree Fahrenheit.
Full Contraction Temperature: 266 Degree Fahrenheit.
Solder Begin to Melt Temperature: 257 Degree Fahrenheit.
Solder Completely Melted Temperature: 302 Degree Fahrenheit.
If you find the solder is not melting, verify your heat gun is actually putting out 300 degree Fahrenheit with a Infrared Thermometer or similar.

Tubes:
10pcs x 1.5 x 81mm Yellow (Quantity x Supplied internal diameter x Single length)
10pcs x 2.0 x 81mm Blue
10pcs x 2.0 x 81mm Black
10pcs x 3.0 x 81mm Green
10pcs x 4.0 x 81mm Red
10pcs x 4.0 x 81mm Black
10pcs x 5.0 x 81mm Black
5pcs x 6.0 x 81mm Yellow
5pcs x 8.0 x 81mm Red
5pcs x 10.0 x 81mm Green
5pcs x 10.0 x 81mm Blue
5pcs x 10.0 x 81mm Black

Material: Polyolefin
Shrinkage Ratio: 2:1 (will maximum shrink to 1 / 2 of its supplied diameter )
Minimum Shrinkage Temp: +70°C
Full Shrinkage Temp: +110°C maximum
Operating Temperature: -55°C to + 125°C

• 100pcs 4 Sizes Solder Seal Heat Shrink Wire Connectors
• 95pcs 2:1 Heat Shrink Tube Sleeving Wrap Cable Wire 5 Color 8 Size 81mm
• Perfect for all boat, vehicle, home, scientific or commercial projects
• All packed in a plastic case for easy access and carry

100pcs 4 Sizes Solder Seal Heat Shrink Wire ConnectorsGeneric