On Tue, 30 Apr 2019 17:34:56 -0700 (PDT), wrote:

Just cut down bathtap washers. It's quicker than ordering online.

Wot 'e said.

Or, if inclined to buy tools: a "gasket punch"*. A hole punch set, but with a
centering pin to allow sunsequent concentric cuts, i.e. outer edge, then inner
hole.

Then cut your own...


Thomas Prufer


* in ebay-speak: Hollow Punch Set Hole Punch Tool Leather Plastic Foam gasket
Fibre