Replacement Blade for Hamilton Beach HBH550/650/850 Blender Blades Smoothie Machine Mixer Accessory Compatible with HBH550/650/850 blenders; fits glass or plastic jars. Not compatible with Wave Action or Wavestation models. Includes o-ring gasket and white plastic screw cap for secure sealing and leak-proof performance. Product performance: Durable, convenient, efficient, environmentally friendly, and fast. Product name: Mixer blade set Application: Suitable for use in blenders, cooking machines, soybean milk machines, smoothie machines, and mixers. Color: Silver Material: Stainless steel Package Contents: 1 x Mixer blade (nut spacer not included) Note: Only the items listed are included. Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.