Ninja Blender Attachment: Food Processor Prep system: Fits the 1500 watt BL770 BL771 BL772 + the 1200 watt BL780 and the 1100 watt BL740 and BL660 and Ninja Mega Kitchen System (BL770) Ninja Mega Kitchen System (BL771) Ninja Mega Kitchen System with Slicing/Shredding (BL773CO) Ninja Supra Kitchen System (BL780CO) These are culled from a variety of sources and will show signs of scratches/scuffs but are in excellent condition! ****Please check the model number located on the base motor unit: underneath; turn the base upside down and the model number is embossed next to the Ninja logo in a little square. and message me with any questions thanks Brand New for 2015 Ninja Kitchen systems: Food Processing Prep System for chopping, slicing, shredding, and grating **New improved 4 point locking lid system and reversible food processing blades. Complete 8 Cup Food Processing System includes: Chopping Food Processing Bowl Chopping Blade Dough Blade Locking lid with 2 part processor chute Chopping blade attachment Slicing/shredding two sided disc Chopping/grating two sided disc Getting started assembly booklet