[COMPATIBLE MODEL]: Suitable for HBH550/650/850 blenders, suitable for glass or plastic jars. Not suitable for Wave Action or Wavestation. O-ring seal, white plastic screw cap, good sealing, no leakage. Product performance: , practical, efficient, environmentally friendly and Product Name: Blender Blades Product application: cooking machine, wall-breaking machine, soy milk machine, smoothie machine, blender Color: Silver Material: stainless steel Package Contents: 2 * Blender Blade (nut spacer not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.