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 operate more quietly over time. The blade is designed for quick, on-site replacement with an existing compatible container. 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 & Strong: The kit is made of premium materials and has undergone strict testing for long-lasting performance. Reduces the need for frequent replacements, saving time and maintenance costs. Compatibility: The drive socket couples the motor to the blade assembly and helps protect the motor if the blade assembly becomes blocked. This replacement drive socket kit is not intended for use with the Vitamix XL. Easy to Install: Replacement takes approximately 10 minutes. Simple DIY installation provides a sense of accomplishment. Package Contents: 1 x Blade, 1 x Drive Socket, 1 x Hex Wrench (random color, no color substitutions accepted). Note: Light and display differences may cause slight variations between the item color in the image and the actual product. Measurement may vary by +/- 1-3 cm.