[7 Fin Blade Replacement] -- Fits suitable for Pro BL450-30/BL456-30/BL451-30/BL454-30 Auto-iQ BL480-30/BL480D-30/BL481-30/BL482-30/BL490-30/BL681A-30/BL682-30/BL642W/BL682 Auto-iQ Pro Complete BL487-30/BL488W-30/BL487A-30/BL486CO-30 BL480D Auto-iQ Compact System BL491-30/BL492-30/BL492W-30.Please kindly note only the models listed exactly as above is compatible. [No Leakage] -- The 7 fins extractor blade assembly is made of high quality stainless steel and sealed with rubber gasket. More Durable and No Leakage. [Warm Tips] -- The high speed blade is the selection of stainless steel material. free and can be washed directly with water faucet. But please kindly note do not immerse the blade in water suitable for too long to prevent corrosion. Also please note that the rubber gasket may be loose during transportation. Pls check it be suitable fore use and make sure it is put tight into the replacement bottom blade. [Note]-- We don't claim these are original . It is only used to prove the compatibility of accessories. colour: black Material: plastic Package Contents: 1 x tool holder 2 x sealing rings Only the above package content, other are not included. Note: Light 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.