1/2 in. Flexible Metal Conduit (FMC) Screw-In Connectors (50-Pack)Connects flexible metal conduit to metal enclosures such as steel outlet boxes and load centers High strength, die cast zinc alloy body and locknut UL and CSA listed Reversible locknut cuts through protective coatings on boxes and enclosures to ensure ground continuity For indoor use only Features Item Weight 0. 05550 Product Weight (lb.) 0. 055 Paintable Stainable No Package Quantity 50 Electrical Product Type Metallic Raceway Box Fitting Kit