Compatible with Ninja Supra Kitchen System BL780 30/BL780CO 30 1200W motor base This blade can fit : Ninja Mega Kitchen System Blender BL770A 30/ BL770 30/BL773CO 30/BL771 30/BL772 30/bl770w 30/BL772Q 30/BL773CCO 30, BL773REF30/BL771A 30, BL771C 30 1500W motor base Package inculde:2 Pcs extractor blade with 2 gasket as a set 6 Fins Bottom Blade Assembly, brings qualified anti-corrosion performance.Good replacement part for Blender, helps make healthy cooking easier. We make no claims that these are original Ninja products. Item Type: Replacement part for blender - Blade material: stainless steel - Blade shape: Cross blade - Suit for: Ninja Mega Kitchen System Blender BL770A 30/ BL770 30/BL773CO 30/BL771 30/BL772 30/bl770w 30/BL772Q 30/BL773CCO 30, BL773REF30/BL771A 30, BL771C 30 1500W motor base. - Compatible with Ninja Supra Kitchen System BL780 30/BL780CO 30 1200W motor base Not fit for any Other Ninja models. - Installation: Replacement - BPA free - The blade is made of stainless steel and never needs sharpening. - Extractor Blade fits in easily and can be removed easily. It's good for replace your bad blade,and make your Juicer reuse again.