Measurements:

7 3/8" x 7 3/8 in surface

Product Description:

Another super useful tool! Cut the tiniest of circles with Morton Teeny Circle System! Cut 6 inch circles and smaller. Set up your system and you're ready to go. Push your glass cutter into its holder and rotate your 7 3/8 x 7 3/8 in surface. Small glass circles have never been easier!