Stainless Steel Cutter Blade Replacement for Vitamix Blender. Our hardened stainless-steel blades never require sharpening, and a double set of stainless-steel bearings increase blade life and help the blender run more quietly over time. The blade is designed for quick, on-site replacement with compatible containers. Fits standard household 64 oz and 32 oz containers, and standard commercial 64 oz, 48 oz, and 32 oz containers. Does NOT fit new household low-profile 64 oz or 48 oz containers, or commercial MP, XP, Advance, or XL containers. Color: silver + black. Material: metal + plastic. Model number for Vitamix Drive Socket Kit. Durable and strong construction made from premium materials, tested for long-lasting performance. Reduces the need for frequent replacements, saving time and maintenance costs. The drive socket connects the motor to the blade assembly and helps protect the motor if the blade becomes obstructed. This replacement drive socket kit is not compatible with the Vitamix XL. Easy to install in approximately 10 minutes. DIY installation allows for convenient home servicing. Package includes: 1 x Blade, 1 x Drive Socket, 1 x Hex Wrench (random color). Only the listed items are included; other products are not part of this package. Note: Lighting and display settings may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.