【 Waterproof And Insulation】Dual-walled design-Outside Polyolefin tubing provides insulation and improves pullout strength; Hot Melt Adhesive & Solder inside ensures wires tightly connected and avoids wires slipping out of the terminal 【Easy to Use】 Heat shrink wire connectors can be connected with just a heat gun, no crimping tool or soldering machine is needed 【Type and Size】Our heat shrink wire connectors come within a storage box, easy to store and carry. Color-coded tubing makes it easy to identify the right size of the connector for every application. The connector assortment includes white (AWG 26 – 24), red (AWG 22 – 18), blue (AWG 16 – 14) and yellow (AWG 12 – 10) solder seal connectors that can be used on wire AWG from 26 to 10 【Wide Applications】Compliant with all electrical standards, Perfect for marine and automobile applications, whether you are working on your boat, Vehicle, Home or scientific project, our wire connectors will ensure strong seal to makes your connection project safer 【Perfect Service】 LX LXNCTORT butt terminals offers friendly 24/7 customer service. If you encounter any issues upon receiving or using the product, please feel free to contact us at any time. We will reply and help you solve the problem within 24 hours

 Solder seal wire connectors with low heat solder and hot melt adhesive can produce a perfect seal, which helps to be better waterproof.Heat shrink wire connectors can be connected with just a heat gun, no crimping tool or soldering machine is needed.