Do you have an o-ring that you need to replace and you don’t know what size it is?

The official Parker O-ring measuring cone is the top solution for sizing o-rings when you are unsure of what size to order. Slide the o-ring down the cone to see what size is needed. Makes for easy measuring as the numbers are printed directly on the cone. The cone also has slits near the base. Insert the o-ring to determine the cross section.

O-Ring measurement cones are the ideal tool for quick and easy identification of standard O-Ring size.

Parker’s unique measuring cone and circumference “Pi” tape provide quick and easy O-ring sizing information to determine the nearest standard Parker O-ring size. Please note: the cone and tape do not measure actual dimensions of a part and cannot be used for pass/fail inspections.

Cones are in stock and available for purchase.

Want to learn how to measure an O-ring? Watch our youtube video: