6 Fins Blender Replacement Parts Compatible for Ninja Blender, Blender Blade Fits Ninja BL660 BL660C BL663 BL663CO BL770 BL770A BL770W BL771 BL771C BL772 BL773CCO BL780 BL780C BL780CO BL740 BL740C Secbolt 1 x operating screw assembly

1 x operating screw assembly

It is also recommended that you can seal all connections with pipe sealant to prevent air leakage and improve the efficiency of the HVAC system

but we cannot guarantee this

wavelength：390-395NM

【ULTRA HD LENS】High quality optical lens with 200-degree visual angel

6 Fins Blender Replacement Parts Compatible for Ninja Blender, Blender Blade Fits Ninja BL660 BL660C BL663 BL663CO BL770 BL770A BL770W BL771 BL771C BL772 BL773CCO BL780 BL780C BL780CO BL740 BL740C Secbolt 1 x operating screw assemblyBrand: HUANSERA Color: Black Features: Our blender blades are manufactured using high quality and durable materials, combining rust resistant and durable stainless steel with non BPA food grade plastics to enhance safety. Compatible with: BL660, BL660C, BL663, BL663CO, BL740, BL740C, BL770, BL770A, BL770BRN, BL770W, BL771, BL771C, BL772, BL772QBK, BL772QCN, BL772QPL, BL772QT, BL772QWH, BL773CCO, BL773CO, BL780, BL780C, BL780CCO, BL780CO, BL780WM, etc.