Premium Quality Our electrical terminals are made of tam copper with insulated PVC, which have high tensile strength as well as stretch resistance. Water and corrosion crimp lugs, which are durable for long time use.Easy to use Our electrical connectors are fully insulating and protect electrical connections, more reliable than conventional crimp terminals . Electrical connection terminals are really vital electrical accessories, easy to use, even a beginner can use them easily.Easy identification The different colors (blue, red, yellow) of the electrical wire connector to distinguish the different terminal specifications crimp and make the wires more crisp and pleasing. You can easily choose the right connector by looking at the color.Various Applications Electrical insulating crimp connectors are suitable for household appliances, automobiles, audio speakers and other electrical wire connection projects. The electrical lug is a part of the toolbox of all electricians and hobbyists, from DIY enthusiasts to seasoned professionals.Friendly after-sales service This sleeve insulator assembly contains 120 assorted butt connectors: 45 blue end connectors BV2 + 45 red end connector BV1.25 + 30 yellow end connector BV5.5. If there is any unclear operation, please contact us and we will provide you with professional operation advice.