https://www.wickes.co.uk/Primaflow-Flexible-Tap-Connector-Washer---19mm-Pack-Of-5/p/425030
Primaflow Flexible Tap Connector Washer - 19mm Pack Of 5
flexibletapconnectorwasherpack
https://www.toolstation.com/arctic-hayes-tap-washer-box/p89093
170-piece kit with a variety of the most commonly used tap washers in different materials. Supplied in a handy carry box with a snap-lock lid and 12...
arctic hayestap washerboxpiecestoolstation