Diameter Ø : 14
BS3404, BS3417, 4235050000, 4235050010, 81511016378, 1932639, 0203277400
4231049000, 0074200118, 81511016175
4231069000, 0004207524, 81511016115, 6212188, 6212188, 1010154, 1738480, 834483
II37275, BX9401, 9254907550, 9254901020, 81504106312, 81504106427, 1506383