Usage Tips:FITMENT: Specially designed for specific models: for SS101, SS100, SS101C, SS101TGT, SS300, SS300C, SS400, SS401. Please make sure your blender model is one of above before purchase. Make sure your old blender blade is the same as the one shown in our pictures This blade has 7 fins, 4inch/10cm diameter, made of BPA-free high impact plastic and Food-Grade High-Strength stainless steel, dishwasher safe. Precision durable and work Great. Easy installation and cleaning, Perfectly match of parts. Great for Smoothies and Frozen Drinks: the Replacement Extractor Blade is Perfect for Chopping, Grating and Blending. Whips up Your Favorite Foods and Smoothies in Second without any Leakage. 8 pages, 7 teeth, the actual product may have slight color difference or difference, which will not affect the use Colour:Black Material:Plastic+Stainless steel Package Contents: 1x SS101 Juicer Replacement Knife Block Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.