箱式數控墊鐵，分兩種；單螺栓調節，雙螺栓調節，主要用於數控機床，和加工中心使用，                                                                                                                                                                                                                主要規格有；                                                         180*100*60,                                                                                                                                                                                                                                                                                                  220*110*70,                                                                                                                                                                                                                                                                                                                              240*120*80                                                                                                                                            260*140*90                                                                                                                                                                                                                                                                                                                                                               285*160*100.                                                                                                                                                                          350*200*120