Provide a secure and lasting connection with Screw In Type fabrication BX-FLEX Connectors. Crafted from naturally corrosion resistant zinc die cast with insulated throat for protection against abrasion. Recommended for joining flexible metallic conduit to steel outlet box, load center or other metal enclosure. BX sizes from 3/8” to 2” available with 1/2” knockouts. All models UL listed, always in stock and ready for fast delivery.