How to Measure a Caster Stem

We’ve noticed that one of the biggest frustrations among our customers is getting the wrong stem on a caster. So, we put this guide together to help explain how to correctly measure caster stems, so you get the right caster the first time.

Stem Types

Starting out, we need to know what we are measuring, as each stem is measured slightly differently. Here is a list of common stem types

Grip ring stems

Made with a round stem that has been milled with a race on the insertion end. This end is wrapped with a brass or wire band which locks the stem in place. It is most common on chairs and ready to assemble furniture.