This Pitch Bowl Pad is designed for our 5" Pitch Bowls For Chasing and Repouss. The pitch bowl pad is designed of extra strength rubber which keeps your bowl from hitting your work surface. This pad is also designed with an anti-slip base. This rubber base allows you to tilt your bowl to your preferred angle. Outer Dimensions: 5" Diameter x 1" Height. Inner Dimensions: 2" Diameter x 1" Height.