Solder Seal Sleeve Wire Connectors Waterproof Heat Shrink Kit Assortment. Features: -It Can Conductive To Make The Conductive Effect Better Than The General Quality Of Heat Shrink Tube. -It 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. -High Quality- Comply With All Relevant European Standards; Shrinking Ratio: 2:1 -Easy Operation-Transparent Sleeve Provides Precise Inspection When Strip And Insert Wires Inside. Specification: -Quantity: 5/10/30/50PCS -Material: Tinned Copper -White Connectors: AWG 26-24 Fit Wire 0.25-0.34mm² -Red Connectors: AWG 22-18 Fit Wire 0.5-1mm² -Blue Connectors :AWG 16-14 Fit Wire 1.5-2.5mm² -Yellow Connectors: AWG 12-10Fit Wire 4-6mm² . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.