The Remke Industries RF13NA-BKNR Dome Cap Spiral-Flex Cable Gland is crafted from durable black polyamide, designed for 1/2" NPT connections. This cable gland provides excellent strain relief and environmental protection, making it ideal for flexible cable applications. It accommodates a variety of cable sizes, ensuring a secure fit while maintaining compliance with industry standards. The dome cap design allows for easy installation and enhances the overall integrity of your electrical connections, making it a reliable choice for both indoor and outdoor use.