[Fit For]-- Compatible with 600W and Pro 900 High-Speed Blender/Mixer System -101B -101S -201 or Flat Milling Blade. NOT FIT for Lean, RX or other Blenders. Please check the models carefully before ordering. [Premium Quality]-- Seal O Ring and shock pad are made of high-quality materials. Black gear and motor top base gear are made of plastic. These blender replacement parts are safe and designed for long-term use. [Easy to Install and Replace]-- These replacement parts are recommended to be replaced every 6 months or as needed for optimal performance. You can replace the parts with the new ones one by one without additional tools, saving time and increasing convenience. Color: As shown Material: Plastic + Stainless Steel Package Contents: 1 Set x Blender Replacement Parts Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color differences between the item in the picture and the actual product. Measurement error allowance is +/- 1-3 cm.