They fit lathes, stationery engines, early petrol lawnmowers etc.
Dimensions on the last listing photo. Check before buying they will be suitable for your application.
If you want to buy a larger amount please contact me for a price and I will offer you a good deal.
Postage: UK free 2nd class post, 1st class £1.50, Europe £3.70 & Worldwide £4.50