Cable glands can be made up of multiple types of materials this includes Brass, plastic, steel or aluminium. Their main purpose is to seal and terminate devices between a cable and a connected equipment, they also provide protection, strain relief to cables.
Brass Cable Glands are available in different sizes M20 to M100, PG7 to PG48
Main components of cable gland are Lock Nut, Washer, body , seal & sealing nut, PVC Shroud, Earth Tags, Adaptors etc.