Pitcher must have pronounced pour spout, will not work with old style square top pitchers. Will fit BL770, B771, BL772, BL780 Supra and Mega This fits the BL773CO Model as well. Will only work with Ninja blenders BL770 BL771 BL773 BL660 BL740 BL780 This is the new pitcher model, with enlarged rim (see selection guide). Will NOT work with old model lid Will NOT work with any other blender model, please check your model number before ordering