2 Pack, 3/4", Non-Metallic Snaptite Connector, Indoors Only, Snap In, Fits Non-Metallic Cable #14/2, #12/2, #12/3, Awg Or 2 #14/2 Awg Or Flex Cord .300 To .560" Diameter 3/8", 1/2 Knock Out, In A Dry Location, Use To Connect Non-Metallic Sheathed Cable To A Steel Outlet Box Or Other Metal Enclosure, 3/8" Size Fits 1/2" Knock Out , Snap In Design Allows For Quick & Easy Installation, No Locknut Required.