Becker carbon vanes 90133300004 or WN124-032 fit size

2001000007K04 carbon vanes 4 pcs in a set. Vane size 250x39x4 mm. Replacement for Becker pump vanes 90133300004 or WN124-032 vacuum pump type KDT 2.100, KDT 3.100, KVT 2.100, KVT 3.100