What is it used for? Perfect for a water resistant cable strain relief. Screw directly into plug holes of standard American wiring boxes, giving you an IP66 rated enclosure. What is NPT? NPT stands for National Pipe Thread, which is a U.S. standard for tapered threads having a 60 degree thread angle with taper angle of 1.79 degrees. Keep in mind that NPT thread is not compatible with metric or PG threads. Flammability UL94V-2 rating with static working temperatures of -40 to 212F (-40 to 100C). Great for both indoor and outdoor use, including industrial, automotive, and electronic projects. MGI SpeedWare is proudly North American that means great parts and exceptional service every time. Provides strain relief, stability, and edge protection to a cable or group of wires passing through a panel cutout or hole. Watertight design protects your wires from moisture and dust. Simply tighten the top dome nut to compress the bushing and create a reliable seal. Your cable is centered, sealed, and completely strain relieved with a turn of the hand. Dome nut with ergonomically designed gripping grooves makes tightening by hand or with a wrench an easy task. We love fast cars and cant wait to help build yours. With your support, we strive to become an automotive leader without losing sight of what makes MGI unique.4.4 out of 5 starsMGI SpeedWare Strain Relief Nylon Cord Grip Cable Glands, 20-Pack White (1/2" NPT) Share: Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive. Fields with an asterisk * are required ** 01 02 03 04 05 06 07 08 09 10 11 12 01020304050607080910111213141516171819202122232425262728293031 *Enter the store name where you found this product* Please select province Please select province * 01 02 03 04 05 06 07 08 09 10 11 12 0102030405060708091011121314151617181920