Description If you are looking for a professional heat shrink welding connector kit, then your research is over here. Thats because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color: Red.-Material:PE, tin. -Size: About 4.00X0.70X0.70cm/ 1.57X0.28X0.28in.- All-in-one step solder and seal process. No need for crimp tools and soldering machine. - Excellent used for automotive, boat, marine and other outdoor applications. - Can ensure a long-lasting connection especially if making a larger connection. - Abrasion resistance and environmental protection heat shrinkable tube, durable for marine and automotive application. - It is made of strong PE and tin material. It has a good insulated texture and can last for a long time. Packing list: 100 x Solder Seal Wire Connectors