[COMPATIBLE MODEL]: Fits Hamilton Beach HBH550/650/850 blenders, compatible with glass or plastic jars. Not compatible with Wave Action or Wavestation models. O-ring gasket, white plastic screw cap, provides good sealing and prevents leaks. Product performance: durable, convenient, efficient, environmentally friendly, and fast. Product name: mixer blade set Product application: cooking machine, soybean milk machine, smoothie machine, mixer Color: Silver Material: Stainless steel Package Contents: 1 * mixer blade (nut spacer not included) Only the above package content is included; other items are not part of this package. Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.