General description The 2X 5-Fan Blender Blade is designed for specific blender models, providing a reliable replacement option. This blade features a 5-fin design that enhances blending efficiency and is compatible with various QB series blenders. Technical specifications Blade Size: 3.15 in (Diameter) x 3.1 in (Total Height) Blade Weight: 1.76 lb Blade Shape: Cross Blade Color: Black Material: Plastic + Stainless Steel Compatibility and accessories Compatible with models: QB3000, QB3000SSW-30, QB3000QR-30, QB3001SS-30, QB3000QBK, QB3004, QB3005 Not compatible with models starting with Bl2, Bl4, Bl6, Bl7, BL8, BN, NN, CT Package Contents: 2 x Blender Blades, 6 x Sealing Rings, 2 x Cleaning Brushes (Random Color) Usage Do not overfill the blender; adhere to the "maximum" fill line to prevent overflow. Limit operation to 4 minutes at a time to avoid overheating. Replace the blender blade every 6 months, depending on usage frequency. Check for loose bottom gear during use and tighten if