BF 2D       BF9.9 BF15    BF15  BF20D

                                                                                                          BF20 BF30   BF35 BF40 BF45 BF50

                                                                                                          BF50 BF5    BF75 BF8 BF100

                                                                                                          BF115 BF130  BF135 BF150

                                                                                                          BF175 BF200 BF225