Fingers crossed it'll cut ally

[ptjw7uk]

Just a note to say that the different size O-rings should all compress the same amount as long as they are all the of the same thickness, therein lies the problem getting the same thickness in different diameters.

Peter

[blackburn mark]

Just a note to say that the different size O-rings should all compress the same amount as long as they are all the of the same thickness, therein lies the problem getting the same thickness in different diameters.

sounds to good to be true, ill have to do some maths, iv got plenty of o-rings from 18mm ID to 50mm ID and they are all 3.5mm section

[ptjw7uk]

Your right it is to good to be true, must have been asleeop when I did the calcs!!

Peter