- Compatible Models : This 6-layer blade assembly is designed for the 72 oz Ninja professional blenders, ensuring a perfect fit. Compatible models include: BL610, BL660, BL660C, BL660W, BL660WM, BL661BBYC, BL663CO, BL665Q, L740, BL740C, NJ600C, BL500, BL500C, NJ600, NJ600RC, and Ninja Kitchen System 1200w models: BL700, BL700C, NJ602CO, NJ602, NJ602Q. Please verify your blender model prior to purchase. - Safe and Durable Materials : Constructed from food-grade plastic and upgraded strength stainless steel, this replacement blade assembly is both durable and BPA-free, ensuring safe food preparation without rusting. - User Guidelines : To prevent scalding, avoid blending hot liquids as it can create excessive pressure. Always adhere to the "Max" fill line to prevent overflow during blending. - Easy Installation and Maintenance : The blade assembly installs just like the original, allowing for a hassle-free setup. It is dishwasher-safe for easy cleaning, but when hand washing, use a handle to keep your hands safe from the blades. - Practical Applications : Perfect for smoothies, soups, and sauces, this blade assembly enhances the performance of your Ninja blender, ensuring consistent blending results for all your culinary creations. - Key Attributes : Strong, stainless steel blades provide efficient blending and chopping. The food-grade material ensures your health and safety while delivering outstanding performance in the kitchen.