RE MB-AVI : MB modular system vibration damping reducers.
  DesignationSSCSID2LL1kgFigGICATGIREMgiic
  RE MB50-MB16X74-AVI MB50 MB16 17.5074.0065.00.52014652646 0
  RE MB50-MB20X93-AVI MB50 MB20 21.5093.0085.00.65014652650 0
  RE MB50-MB25X117-AVI MB50 MB25 27.00117.00110.00.94014652654 0
  RE MB50-MB32X144-AVI MB50 MB32 35.00144.00138.01.47014652658 0
  RE MB50-MB40X176-AVI MB50 MB40 47.00176.00170.02.73014652662 0
  RE MB63-MB50X220-AVI MB63 MB50 60.00220.00214.05.20014652665 0
  RE MB80-MB 63X280-AVI MB80 MB63 77.00280.00272.010.60024652668 0

Please verify that the weight of the entire tool assembly does not exceed the machine spindle's carrying capability.