Nylon Dome Top Cable Glands, lock nuts and bushes provide you with a high degree of functionality and safety. Manufactured from a high-quality nylon construction designed to be suitable for flexible cable diameters between 2 & 25mm, giving IP68 protection for both indoor and outdoor applications. Neoprene rubber seal. Please not the cable size range refers to the cable outside diameter, and not the cross sectional area of the cable core (eg 10mm² etc)