NSI grounding and bonding products rise to the occasion in a wide variety of environments with excellent material quality and flexible designs. This aluminum mechanical lug connector is the ultimate solution when connecting copper and aluminum conductors to threaded or slip-fit transformers. Versatile and reusable, this set-screw connector is made from high-strength 6061-T6 aluminum alloy for superior electrical and mechanical performance in a variety of applications. Choose the brand that professionals trust for reliable, affordable grounding and bonding in the field—choose NSI.