Liquid Tight Connectors with Insulated Throat 4" - Straight - Zinc Die Cast - Liquid Tight Connectors with Insulated Throat - Straight are Used to join Liquidtight Conduit to an EnclosureLiquid Tight Connectors - Straight - Insulated Throat - Zinc Die Cast 4" features include: Terminate and Seal Liquid-tight Flexible Metal Core Conduit to either Oil-tight, Liquid-tight or Rain-tight Box or Enclosure Connectors can be used with Tapered Threaded Female Entry or Unthreaded KO using the Sealing Washer and Locknut Insulated Throat Zinc Die Cast UL/CSA Listed Order Qty of 1 = 1 Pieces Below is more info on our Liquid Tight Connectors - Straight - Insulated Throat - Zinc Die Cast 4"