Introducing the Expo Marker Circle Companion: Elevate your whiteboard creations with this ingenious tool. Designed for use with Expo markers, this circle-drawing marvel features twelve evenly spaced holes, each set one inch apart. Effortlessly create perfect circles with precision and ease. Thanks to its magnetic center, it securely attaches to your marker board when not in use, ensuring it's always within arm's reach. Streamline your presentations and unleash your creativity with this indispensable addition to your toolkit.

The bearing dimensions are OD:1.125in, ID: 0.500in, and thickness: 0.3125. The magnets can be found here: https://www.harborfreight.com/10-piece-rare-earth-magnets-67488.html?ccdenc=eyJjb2RlIjoiNTY4NTY0MDgiLCJza3UiOiI2NzQ4OCIsImlzIjoiMi4wOSJ9&utm_source=google&utm_medium=cpc&utm_campaign=20579015512&campaignid=20579015512&utm_content=152504919494&adsetid=152504919494&product=67488&store=493&gclid=CjwKCAjwmbqoBhAgEiwACIjzENIJcFOW-ta-KonPBe8zW2hydP2ottrwbV5zGZv4kT1-BUSHU4wlgxoCNpUQAvD_BwE