Compatible Models - BL480, BL480c, BL488, BL488W, BL640, BL641, BL641C, BL642, BL642W, BL680A, BL681C, BL682. Please verify your blender desire 7 fins alternative blade before purchasing. (Only suitable for 18 / 24 / 32 oz cups, now not sixteen oz) Advantages - Made of food grade plastic and stainless steel, hold your health. Gasket Rubber is completely sealed and doesn't leak. Excellent nice in parts, it integrates sharper blades to grind food easily. Muti-purpose - Pulverizes vegetables, fruits, milkshakes correct into a scrumptious effortlessly, clear to make smoothies, mashed meat and paste meals for children. Help you to save time and energy. Easy to Use and Clean - The gasket is pre-installed within the substitute blade, you might immediately install it on a blender without additional operation. Cleaning made easy, you only wash the blade with cleaning soap and flowing water. Note: The rubber gasket in bottom blade maybe loosened throughout transportation. Before utilizing the bottom blade, please examine the rubber gasket. Colour:black Material:Plastic+Stainless Steel Package Contents: 1 x Tool holder 1 x Sealing ring Only the above equipment content, diversified merchandise will not be included. Note: Light shooting and varied reveals can cause the colour of the item in the picture a little bit diverse from the real thing. The measurement allowed error is +/- 1-3cm.