Product Description Experience a reliable and waterproof electrical connection with our Solder Seal Heat Shrink Waterproof Butt Wire Connectors Terminals. Engineered with high-quality copper and a soldering sleeve for enhanced durability and efficiency. Key Features Simple one-step connection for wire integration. Ideal for soldered, insulated, and sealed connections. Perfect for marine and automobile applications. Advanced waterproofing with melt adhesive inside the solder and seal. Polyolefin heat shrink for improved pullout strength. Provides superior sealing, strain relief, and insulation. Specifications Shrinkage Ratio: 2:1 Dual-Walled Tubing: Polyolefin outer layer with hot melt adhesive inside Color-Coded Connector Tubing Heat-Activated Waterproof Adhesive Low Temperature Solder Sleeve Minimum Shrink Temperature: 80°C Minimum Solder Melt Temperature: 138°C Quantity: 100 pieces Available Colors: Blue, Yellow, Red, White Size Options White: 26mm x 1.7mm Red: 40mm x 2.7mm Blue: 40mm x 4.5mm Yellow: 40mm x 6mm Package Includes 100 x Bullet Connectors (Color of your choice)