Straight Thru NPT Liquid Tight Cordgrips fit flexible cords, and are for use in clearance or threaded holes. We offer 12 sizes, for cable diameters ranging from .065in - 1.260in (1.70mm - 32.00mm). They are all Nylon construction, with TPE or Buna N Sealing gland. They provide protection from vibration, superior sealing at mounting ring, secure grip on the cable, and resist salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. (* Note: Locknuts ARE NOT included. For Locknut specifications, or to order separately, please refer to the Locknuts section of this guide)