Diameter Ø : 16
BS7304, 9253840160, 9253840010, 0074203624, 4454107730, 6609441
BZ6425, I76463, I764631, I764631AT, 1B43151, BZ6422, I69689, 81504106188, 81504106133
4231069000, 0004207524, 81511016115, 6212188, 6212188, 1010154, 1738480, 834483