Quality Material Information: these connectors are made of quality and highly conductive copper alloy, with good gloss, compact structure and fine manufacturing process of surface, not easy to rust or corrosion, enough to withstand all kinds of weather and temperature, can serve you for a long timeEasy to Use: simply loosen the set screw, "drop in" the wire, then tighten again to easily ground the conduit to all surfaces, making modification or maintenance very easy; Lay in connectors are a quality direct burial copper conductor connector that makes your grounding conductor more stable and secure without causing any breaksPackage Content:You will receive a package containing 40 packs of lay in connectors, a quantity sufficient for your daily use and replacement needs, and providing you with a lot of convenienceIdeal Design: these lay in connectors are for copper conductors only, the open design of these direct burial connectors allows the installer to quickly lay the ground conductor as a jumper into multiple conduits without interrupting the ground conductorApplications: lay in connector designed for safe grounding of 14-4 AW wire Designed for conduit grounding applications, they can be applied for both grounding and bonding applications; They are suitable for grounding swimming pools, copper tubing, spa equipment, conduit sleeves, etc.; Stainless steel screws are included with the grounding connector to hold conduit securely in place for long periods of time