Updated Blades: Our newest 7-Fins Ninja blender blades come with a blade on top. These blades are proven to have better balance and greater applicability. Compatibility with: for This ninja replacement blade is suitable for Nurti Ninja Blenders Auto iQ BL480-30, BL482-30, BL490-30, BL640-30, BL642-30, BL682-30, BN401, BN751, BN801, BL2012, NN102 and more (Please check your blender model). RELIABLE QUALITY: 7 Fins, 4inch/10cm diameter, made ofhigh-quality material, dishwasher safe. Precision durable and work great. Easy installation and cleaning, well match of parts. GOOD USAGE: Great for smoothies and frozen drinks: the replacement extractor blade is good for chopping, grating and blending. Whips up your favorite foods and smoothies in second without any leakage. NOTE: Please make sure your blender model is on our compatibility list. IF NOT, DO NOT BUY!! The model number (including the last two digits) must be exactly the same. If you find incompatibility during use, we'll solve the issue for you. BN400 Series: BN400, BN400C, BN401, BN401C, NB401WBKT, CL401A, CL405CO BN750 Series: BN750, BN750C, BN751, BN751C BN800 Series: BN800, BN800C, BN801, BN801C NN100 Series: NN100 30, NN100A 30, NN101 30, NN102 30, NN210, NN210C CT680 Series: CT640C, CT641, CT680, CT680SS, CT680SSCCO, CT680W, CT680CO2SS 30, CT682CO 30, CT682SP 30 BL480 Series: BL480 30, BL480D 30, BL481 30, BL482 30, BL487, BL482QPR 30, BL482QPK 30, BL482QPL, BL486CO BL640 Series: BL640 30, BL641 30, BL642 30, BL642W 30, BL642W1 30, BL642Z 30 BL680 Series: BL680 30, BL680A 30, BL681C 30, BL681A 30, BL682 30, BL682W 30, BL685 30, BL687CO 30 BL487 - BL492 Series: BL487, BL487A, BL487Q, BL488W, BL490 30, BL491 30, BL492 30, BL492W 30, BL493, BL493Z 30, BL494 30, BL494C Other Series: BL2012, BL2013, CL401A, CL405CO, DB751A, BL910, AMZ49