[7 Fin Blade Replacement] -- Fits 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 kindly notice entirely the items listed exactly as above is compatible. [No Leakage] -- The 7 fins extractor blade assembly is made from advantageous chrome steel and sealed with rubber gasket. More Durable and No Leakage. [Warm Tips] -- The high pace blade is the alternative of stainless steel material. free and can be washed instantly with water faucet. But please kindly note don't immerse the blade in water for too lengthy to prevent corrosion. Also please be aware that the rubber gasket may be loose during transportation. Pls investigate it before use and make it is put tight into the alternative bottom blade. [Note]-- We 't declare these are usual . It is only used to prove the compatibility of accessories. colour: black Material: plastic Package Contents: 1 x software holder 2 x sealing rings Only the above package content, different merchandise aren't included. Note: Light and assorted reveals could cause the colour of the thing within the photograph barely diverse from the real thing. The size allowed error is +/- 1-3cm.