ITEM NAME:100pcs Waterproof Sealing 2:1 Electrical Heat Shrink Tube Cable Connectors Product Description Description: Application: An easy one step connection of wires, soldered, insulated and sealed. Can be ideal use in marine and automobile applications. Polyolefin tubing in outside and hot melt adhesive in inside. Solder and seal and with advanced waterproof function. Polyolefin heat shrink butt connectors improved pullout strength. Provides seal, strain relief, cable check, and insulation. Features: Designed for wire connection, solder shrink protection and waterproof. Cable Hub and Maintenance: Maintenance and Maintenance Operations (MRO), Commercial Aviation, Aviation and Space, Ground Defense, Automotive Aftermarket. Shrinkage rate is 2:1. Hot melt adhesive has waterproof function. Sealed waterproof insulation. Controlled welding process. Design of solder ring is easy to construct. Conform to ROHS standard. Specifications: Working temperature: -55℃~105℃ Start shrinkage temperature: 60 ℃ Solder melting temperature: 138 ℃ Full melting temperature of solder: 158 ℃ Specification: 25 x White Shrink Connectors: Diameter 1.5mm, Cable cross-section 0.3-0.5mm ² 26-24AWG 35 x Red Shrink Connectors: Diameter 3.0mm, Cable cross-section 0.5-1.0mm ² 22-18AWG 30 x Blue Shrink Connectors: Diameter 5.0mm, Cable cross-section 1.0-2.5mm ² 16-14AWG 10 x Yellow Shrink Connectors: Diameter 6.0mm, Cable cross-section 4.0-6.0mm ² 12-10AWG Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow slight measuring deviation due to manual measurement. Included: 25 X White Heat-shrinkable Connectors 35 X Red Heat-shrinkable Connectors 30 X Blue Heat-shrinkable Connectors 10 X Yellow Heat-shrinkable Connectors.Polyolefin heat shrink butt connectors improved pullout strength. Sealed waterproof insulation. Provides seal, strain relief, cable check, and insulation. Designed for wire connection, solder shrink protection and waterproof.