Features: 1.The blade is made of food grade stainless steel, which has high hardness and is not easy to break.2.Blade blade with dense teeth for better mixing3.The surface of the blade is electrolytically treated, smooth and bright, not easy to scratch4.The cutter head is made of food grade stainless steel 304. It has a beautiful appearance and the screw teeth are fine and burr-free.5.The knife set has built-in imported ball bearings. The bearing can carry RMP38000 speed, which makes the knife set smoother and smoother and improves the service life of the knife set.6.Double waterproof design, built-in extreme high temperature resistance, wear-resistant rubber oil seal, external silicone double-horn waterproof ring7.Zinc alloy knife seat with waterproof ringSpecification: Condition:100%brand newMaterial: stainless steelSuitable model: Fit for Vitamix5200 series 64 48 32 oz 6 blade hybrid parts blade w/sealOptional style:Japanese imported materials,403 stainless steelPackage includes:Mixing knife*1Note:1. Please allow a human measurement error of 1-2cm. Thank you for understanding.2. The calibration of the display is different. The color of the items displayed in the photo may be slightly different from the actual one. Please take the authenticity as the standard.3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..