This is a set of solder seal wire connectors, made of , with long-term durability, and can serve you well. The solder seal wire connector is solderless and , 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 space environments easily. Features - Color: Assorted. - Material: Polyolefin, tin. - Size: About 4.00X0.70X0.70cm/1.57X0.28X0.28inch. - Working temperature: -55 degree centigrade~125 degree centigrade. - Full shrinkage temperature: 130 degree centigrade. - Solder melting temperature: 125 degree centigrade. - Full melting temperature of solder: 150 degree centigrade. - Shrinkage ratio: 2:1. - Color-coded tubing makes it easy to identify the right size of the connector for every application. - Don't need to crimp, and the insulation tubing will shrink down, shrinking ratio: 2:1, creating a waterproof seal. - These solder seal wire connectors are commonly preferred in automotive sector as well as marine sector. - These practical connectors can also used for vehicle, home or scientific wiring projects. - You will receive 150pcs solder seal wire connectors, which are and . Package list: 150 x Solder Seal Wire Connectors