Gocableties Black Self Amalgamating Tape, 19mm x 5m, Waterproof Rubber Tape for Cable and Pipe Repair, Sealing Joints, and Insulating Electrical Connections, 1 Roll : Amazon.co.uk: DIY & Tools
Self-amalgamating Tapes – Medium Voltage Rubber Tape (Linerless) HTAPE-POWER715-19x10 (711-00311)