Usage Tips:[Fit For]-- Compatible with the for NutriBullet 600W and for Nutribullet Pro 900 High-Speed Blender/Mixer System NB-101B NB-101S NB-201 or Flat Milling Blade. NOT FIT for NutriBullet Lean, RX or for Ninja Blenders.Please kindly check the models carefully before order. [Premium Qualiy]-- 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 for Nutribullet blender are safe and durable for long time use. [Easy to Install and Replace]-- The extractor Replacement parts are suggested to replace every 6 months or as needed for optimal performance.You can replace the parts with thereplacement one by one and no other tools are needed during the process, saving time and making life more convenient. Color: As shown Material: plastic + stainless steel Package Contents: 1Set x Blender Replacement Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.