DescriptionThis is a set of solder seal wire connectors, made of high-quality materials, with long-term durability, and can serve you well. The solder seal wire connector is solderless and crimpless, which can save much of your time when you are using it for your project. Besides, you can also use them in hard to reach or limited space environments easily.Features- Color: Assorted.- Material: Polyolefin, tin. - Size: About 4.00X0.70X0.70cm/ 1.57X0.28X0.28inch.- Working temperature: -55~125.- Full shrinkage temperature: 130.- Solder melting temperature: 125.- Full melting temperature of solder: 150.- Shrinkage ratio: 2:1.- No need to crimp, the sleeve provides precise inspection when strip and insert wires inside.- Polyolefin tubing in outside and hot melt rings in inside effectively improve waterproof performance to make sure the best results.- Tubing reduces in size and solder will melt and flow through the stripped wires, ensure strong holding.- This item is great used for automotive, marine and some outdoor applications.- The package contains 380 pieces solder seal wire joints, large quantity to meet your different needs.