Thomas & Betts 3/4 in. Non-metallic Nylon low profile cable gland with NPT threads. The cord range is .512-.709 in and the thread length is .590 in. T&B Nylon Cable Glands have a sturdy cable sealing mechanism which results in superior strain relief. The compact size ensures quick and easy installation in cramped spaces. The non-metallic construction provides excellent corrosion, chemical and impact resistance. The glands have long threads and locknuts are available.