[Suitable For] Only match for 600W and Pro 900W High-Speed Blender/Mixer System. [No Suitable For]NOT FITS Lean, Pro 1000w, Select 1000w, RX 1700w, MB or Ninja Blenders,and not for other model#. [High Quality]High Quality -free Plastic Safe. Material: Plastic colour: As shown Package Contents: 2 x cutter holder 2 x sealing ring 1 x clear force wheel 1 x black gear 6 x cushioning Only the above equipment content, diversified merchandise usually are not included. Note: Light mirrored image and different exhibits may cause the color of the thing in the photograph somewhat various from the real thing. The dimension allowed error is +/- 1-3cm.