Threaded on Both Ends, Available in Trade Sizes From 1/2" Through 6"., Lengths Range From Close to 12" | Lead- Free Glass; End of Life Protection; Low Maintenance | Tubular Construction With Staked Robertson Head Screws; Concrete-Tight When Taped; 1-1/4 to 4 in Furnished With 2 Set Screws; Connects Emt Conduit to Box or Enclosure