FLEXI-BATS are a soft foam bat for standard pottery wheels with 10" diameter bat pin holes. They are a great way to include a creative addition to the bottom of your pot. With a textured puck, beautiful detail is built in to the base of your pottery while you work! The inside of the foot of our Flexi Bats is 2 1/2 inches in a diameter, you can trim as close or as far as you would like for your foot. We do include quarter inch indicators for your convenience!