Cost effective die-cast zinc construction provides durability and resists rough environments. Liquid Tight when used with Heyco-Flex™ I Liquid Tight Conduit. Provide smooth connection, no sharp edges to strip wire. Suitable for outside, inside, and industrial uses including transformer connections, air conditioning, and heating. Suitable for use in both wet and dry location. Fit the most common sizes of nonmetallic liquid tight conduit. If using a tapped hole, Teflon® tape is needed on the threads of the connector, for all other applications an O-ring and Locknut are needed to attain liquid tight. Supplied with locknut and plastic sealing ring.