The Omnigrid 360 14" Rotating Cutting Mat makes rotary cutting easy, even in a small space. Rotate the mat instead of your body, which saves time, reduce fatigue and improves accuracy. Details:14" (35.56 cm) diameterRotating base lightly suctions to flat table surfaceEasily rotate with fingertipsImproves accuracy1/2" (1.27 cm) overall grid lines30°, 45° and 60° markings