The Ninja XSKBGA Coffee & Spice Grinder features a large 12 tbsp. capacity - grinds enough beans for a 12-cup carafe of coffee. It's stainless steel blades are designed for optimal grinding performance. Attach it to your Ninja Auto-iQ blender model BL490, BL640 or BL680. Measure ingredients in the grinding bowl for precise measuring and easy cleanup Lid, Grinding Bowl and Blade