M20 x 1.5 Cable Glands 40 Pack Plastic Stuffing Gland Black IP68 Waterproof Cable Gland Ø 6mm-12mm by Amazon.co.uk

• IP68 Weatherproof Electrical Cable Glands -- Made of high quality material, rubber washers design, moisture proof / dust proof

• Easy to install: Not need to disengage the fix terminal, cable can be inserted through directly then tighten easy,the other end of the joints can be either connected with the housing of equipments

• Safe DIY tools -- suitable for fast connection to the home, garden or outdoor lighting. repair and extend electric wires

• Economical and practical: Essential waterproof gland for all weather electrical fittings such as sockets, switches and junction boxes

• Thread Size : M20x1.5;Cable Range : 6-12mm Thread O.D. : 20mm / 1/2PT;Total Size : 35 x 25 mm / 1.4" x 1" (L*D)