Waterproof Design: IP68 rating ensures maximum protection against water and dust, making these cable glands ideal for outdoor and indoor use. Safe and Secure: Unique card slot design prevents accidents caused by the reversal and loosening of nuts, making it ideal for use in vibration environments. Durable Material: Made from UL approved Nylon PA66 (Flammability UL 94V-2) for A.C.F parts and EPDM rubber for B.D parts, ensuring long-lasting durability.