Diameter Ø : 16
BS9404, 9254601000, 9254600340, 0184205518, 81504106820, 1935449, 1505440
BS8500, 9254813130, 9254813120, 9254813190, 2147775, 1424306, 1427480
BZ6621, 4253250610, 81504106118, 81504106125, 81504106160, 81504106217, 5000560850
4231069000, 0004207524, 81511016115, 1010154, 6212188, 834483
BX7518, 9253712000, 9253771000, 1738483, 1325351, 879099, 4454105800, 0544421040