PLEASE CHECK: Before buying, please check your existing blades by calculating the fins. Please check the number of your existing blades.It should be 7 fins and 4.1 inches. BEST REPLACEMENT: If your blender leaks or becomes louder during mixing, it's time to replace the extractor blade. It is really recommended to check the bottom blade regularly and replace it every 6 months to get good performance. CONVENIENT AND FAST: The blade is made of high-quality stainless steel, which can easily crush fruits, vegetables, superfoods and protein shakes into a delicious, texture. After mixing, you can put it in the dishwasher for cleaning. THE CONTENT INCLUDES- 1 x bottom blade . Also please note that the rubber gasket may be loose during transportation. Pls check it before use and make it is put tight into the replacement bottom blade. COMPATIBILITY: Our 6 fins blade for blender is only suitable for 900W BL450-70, BL451-70, BL454-70, BL455-70; 1000W BL480-70, BL480W-70, BL481-70, BL482-70, BL483-70, BL484-70. Colour:Black+silver Material:plastic Package Contents: 1 x tool holder 1 x sealing ring 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.