Assorted rubber flat, domed washers and jumpers to repair most tap sizes. Includes flat tap washers 3/8″, 1/2″, 5/8″ and 3/4″; delta tap washers 1/2″ and 3/4″; tantofex washers 1/2″; dome/jumper washers complete 1/2″, 3/4″; supertap jumper type A 1/2″, 3/4″; type D 1/2″. Handy storage case with compartments.
Only £17.55 (Exc. Vat)
https://springfasteners.co.uk/product/tap-washers-pack-140pcs/