Amaco Plasti-Bat 12 inch Round Bat is a versatile virtually indestructible bat designed by studio potters. This easy to clean bat made of 1/4 inch thick high-impact plastic provide continuous use without splintering delaminating swelling or shrinking. Bat impervious to water and most chemicals is light in weight easy to stack carry and store. Oblong bat with 10 inch apart spaced pin holes perfectly fits most of the pottery wheel brands.