Compatible with TWK TM 767 800 TWK Jtc 767 800 Blades Knife Ice Blender Blade for Vitamix Blender Parts - 1pcs ( Madani Store )

Retainer nut replacement with O-Ring fits most 48, and 64 Ounce Blender Containers Vitamix blender jars. Our Aluminum retianer nut is a light weight replacement for most Vitamix Blenders. The blade shown in picture is NOT a part of product. Usage: lock the blade in the blender, so that blade could spin in high speed. If you install this lock nut and you still have a leak, you must replace the O-Ring Gasket on the blade.