As above. Anybody know where I can find these beauties?

Ta.

TC

It depends how many you want, if it were just a few, I'd be tempted to get an offcut of rubber and wad punch them. EPDM or Nitrile would be better as they will last longer.

[Edited on 29/2/12 by TAZZMAXX]

I'l try again - after reading properly!
do they need to be 1 complete unit? so 2 of these wouldnt work?

50 pcs. x NEW SBR RUBBER WASHER OD 16,5mm x ID 8mm (M8) x 2,5mm THK Screws | eBay
or these
Pack of 20 Rubber Washers OD 19 x ID 9 x 2.5 mm Thick | eBay