MAKERELE Cord Grip Cable Glands Kit for Electrical Box NPT Waterproof Nylon Strain Relief 1/4” 3/8” 1/2” 3/4” 1” 1-1/4” 50pcs Junction case Connector Black With Gaskets : Amazon.co.uk: DIY & Tools
ASI 3001225 Nylon/Plastic Cable Gland, Strain Relief Cord Grip, Type 1900.M20, M20 x 1.5 Threads, 25 mm Nut, 7 mm to 13 mm Clamping Range (Pack of 100) : Amazon.co.uk: Business, Industry & Science