Overview Product Description Circle diameter sizes range from 1/16" to 1-3/8", with 1/16" to 11/32" in 1/64" increments, 3/8" to 3/4" in 1/32" increments, 13/16" to 1" in 1/16" increments and 1-1/8" to 1-3/8" in 1/8" increments. Product Videos Custom Field Product Reviews