Stainless Steel Cutter Blade, Replacement for Vitamix Blender. Cut Blades: Our hardened stainless-steel blades never require sharpening, and a double set of stainless-steel bearings increase the life of the blades and keep the blender running quieter longer. The blade is conveniently designed to be replaced quickly, on-site, with an existing compatible container. Fits standard household 64 oz and 32 oz containers, standard commercial 64 oz, 48 oz, and 32 oz containers. Does NOT fit new household low-profile 64 oz or 48 oz containers, 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 material, and strict tests have been performed for long-lasting use. You don't need to worry about replacing it frequently, saving time and maintenance cost. COMPATIBILITY - The drive socket couples the motor to the blade assembly and protects the motor if the blade assembly is blocked from rotating. This replacement drive socket kit is not for use with the Vitamix XL. EASY TO INSTALL - It will take about 10 minutes to replace the new drive socket kit. DIY installation provides a sense of accomplishment. Package Contents: 1 x Blade 1 x Drive Socket 1 x Hex Wrench (Random Color, No Designation Accepted) Only the above package content is included; other products are not included. Note: Lighting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allows an error of +/- 1-3 cm.