Versatile Uses - The Halex 1/25 Inch Flex 90DEG Connector is designed to fit both 3/8 inch and 1/2 inch knockout holes, making it a versatile solution for your electrical installations. These are suitable for indoor use only..Secure Connection – 90 Degree Flex Connector connects & bonds FMC, metal clad, armored cable to a metal enclosure. This secure connection between electrical conduit pipes and boxes ensures that your system remains safe and protected..Durable Construction – Made with high-quality materials, connector is built to withstand the demands of electrical installations. Body is constructed of high strength, die cast zinc alloy. Zinc-plated steel clamp and screws offer corrosion resistance..Zinc Plated Finish – This Halex nail plate features a zinc-plated finish which provides corrosion resistance.