3M oil seal lug is made of copper and has two holes as well as solid oil stop. Lug has standard barrel style construction that has 1.03 in inner diameter and is ideal for copper conductors. It can withstand voltage up to 35 kilo volts. Lug can accommodate 750 kcmil stranded conductor and has 1/2 in stud size. It has 1.75 in distance between center of two holes and 0.625 in distance between center of hole to end of tongue. Lug is plated with electro-tin to resist electrolytic corrosion.