Unique Bargains - PG7 Cable Gland, IP68 Waterproof Strain Relief, 304 Stainless Steel, for 3-6.5mm Wire, 4pcs - Silver

A cable gland is a component used to securely connect and seal the end of an electrical cable to equipment, providing effective strain relief and edge protection for the equipment housing, suitable for connections of junction boxes, transformers, distribution boxes, circuit control boxes, and light controllers.