RIDGID 31175 Model 1017 Basin Wrench, 10-inch to 17-inch Telescoping Basin Wrench : Amazon.co.uk: DIY & Tools
Tamwell Telescoping Basin Wrench 279-432 mm (11-17 inch) Extendable Handle with Adjustable 10-32 mm (3/8 to 1-1/4 inch) Capacity Jaw - with 1 Roll of Plumber Tape : Amazon.co.uk: DIY & Tools