B3 TopBottomHeight 4.75"2.25"2.25" B4 TopBottomHeight 7"3"3.25" B5 TopBottomHeight 9.25"4.75"4.75" B6 TopBottomHeight 11.25"5"5" B7 TopBottomHeight 5"2.75"2.75" B8 TopBottomHeight 9.5"4.5"4.5" B9 TopBottomHeight 6.5"4.5"1.75" B10 TopBottomHeight 12.25"4"5.5" B11 TopBottomHeight 12"6"5.5"