Compatible with most Vitamix Blender jar Parts #000836, Heavy Retainer Nut With O-Ring Made of steel Package include : 1 Heavy Retainer Nut With O-Ring Upgrade your Vitamix blender with our authentic, heavy-duty Retainer Nut, designed to fit seamlessly with your Vitamix jar. Crafted from robust steel, this durable part ensures a secure fit and optimal blending performance. The package includes one Retainer Nut with an O-Ring, making it easy to replace worn-out components. Compatible with most Vitamix jars, this nut is dishwasher safe, allowing for convenient cleaning. Elevate your blending experience with this essential replacement part, measuring 10 inches in height.