Everstart 1810-2W 4-6-Gauge 3/8-Inch Copper Lugs 2-Pack are made of 100-percent copper for improved conductivity to replace the lug end of your cables. Made of 100% copper for improved conductivity 3/8 holes are compatible with 1-6-gauge batteries. Keep them on hand and always have replacement lugs when changing battery cables. Simply remove the existing lugs and use these 3/8 copper cable lugs for making connections under the hood. The wire lugs are versatile enough for a variety of engines so that you can make the fixes you need quickly. They are available in a convenient two pack allowing you to have the pieces you need to make a successful connection to your engine. Use it for replacement or initial devices to get your vehicle road ready. The EverStart 1810-2W 4-6-Gauge 3/8 Copper Lugs are simple to install and provide quality service when connected to prevent downtime. Strong durable design will resist corrosion and particle build-up. Fousine is a leading manufacturer and innovator of electrical and electronic wire and cable products. They provide continuous electrical transmission so you can use them to replace old or worn ends.