NSI grounding and bonding products rise to the occasion in a wide variety of indoor and outdoor environments with excellent material quality and flexible designs. These extra heavy-duty bronze ground clamps offer a convenient and reliable solution for connecting ground conductors to copper water pipes, copper tubing, rebar and ground rods up to 1"in diameter. Grips onto pipes tightly by using the 304 stainless steel screws to tighten the clamp, while also accommodating almost any size ground wire. Additionally, the NSI G-140DB is listed for direct burial in both earth and concrete, making it suitable for nearly any application. NSI products are designed to meet or exceed UL 467 requirements for grounding and bonding, delivering exceptional performance in demanding environments. Choose the brand that professionals trust for reliable, affordable grounding and bonding in the field—choose NSI.