A cable gland is used to keep dust and liquids from entering a panel or box for wire entry. Fantastic for cable fixing, wire splices, machinery control boxes, distribution panels, and electrical appliances. This cable gland can be threaded onto matching threads or used with the included locknut on panels less than 15 mm thick. The mounting hole should be 19 mm wide. The sealing ring of the strain relief cable gland is made of a flexible Neoprene to securely hold a single wire with a 5mm to 10mm Dia clamping range. It operates in a temperature range from minus20°C to 90° C. The light gray is made from polyamide PA6.6 and is IP68, NEMA 6P. UL Listed. Material: Nylon.