Halex, 50PK, 3/4" Non-Metallic Clamp Connector. It is made of high-strength, zinc die-cast and locknut with zinc-plated steel clamp and screws that provide excellent resistance to corrosion. These connectors feature a simple, user-friendly design that allows for quick and easy installation. Tri-drive screw head works with Phillips, slotted and square screwdrivers. It connects non-metallic sheathed cable or flexible cord to a metal enclosure, such as a steel outlet box. This product comes in a convenient pack of 50, providing a cost-effective and practical solution for larger projects or ongoing maintenance needs. These connectors feature a clamp design that provides a secure connection to your electrical conduit, minimizing the risk of damage to ensure maximum safety and reliability.