The E1W is a dual seal weatherproof high performance cable gland for steel wire armoured cables.Suitable for use with all Steel Wire Armoured Cables inc: BS 5467, BS 6622, BS 5308.Brass indoor & outdoor gland and accessories.For galvanized-steel single-wire armour, plastic or rubber sheathed cables. Outer seal grips sheath of cable. Inner seal grips bedding layer of cable. https://phoenix-me.com/product/cable-glands-brass-e1w/