Enhance your electrical connections with this uninsulated copper crimp lug. Featuring a long barrel design and color-coded blue for easy identification, this lug is designed for 6AWG wire and accommodates a 1/4 stud. Its durable copper construction ensures reliable performance.This is an uninsulated copper crimp lug with a long barrel and a single hole for a 1/4 stud. It is designed for 6AWG wire and is color-coded blue. The lug is made of copper.