Monument MON323 - Tap Back Nut Box Spanner - 27mm & 32mm : Amazon.co.uk: DIY & Tools
Dapetz ® 27 x 32mm Tap Back Nut Spanner Wrench Plumbers Sink Bath Basin Monoblock Fits Plastic & Brass Back Nuts On Sinks, Basin & Bath Taps Includes Tommy Bar for Added
Basin Wrench | Toolstation
1/2 inch BSP Basin or Sink Plastic Tap Back Nut - On-Demand Supplies
Basin tap back nuts | 1/2" brass back nuts
Plastic Flanged Waste Black Backnut in 1 1/4" or 1 1/2"
What are the parts of a tap fitting? - Wonkee Donkee Tools