Coffee & Spice Ninja Grinder Blender Attachment makes grinding more accessible, allowing anyone to be inspired to try fun and new things at home such as spice or coffee grinding. Attach to your Ninja blender with Auto iQ for added versatility and for us with our Ninja Coffee Bar! The large 12 tbsp. capacity grinds enough beans for a full 12-cup carafe of coffee! Stainless Steel Grinding Bowl and Blades are designed for optimal grinding performance. Measure ingredients directly in the grinding bowl for simplicty and less clean up. Clear Viewing Lid to view your perfect grind size. Lid, Grinding Bowl and Blade Assembly are all dishwasher safe. BPA free. Chrome/Black. Compatible with BL487, BL488W, BL490, BL491, BL492, BL492W.