MODEL NUMBER - Vitamix Drive Socket Kit - 891DURABLE & STRONG - Made of premium material with strict testing for long-lasting performance. Designed for reliable use, reducing the need for frequent replacements and helping save on maintenance.COMPATIBILITY - The drive socket connects the motor to the blade assembly and helps protect the motor if rotation is blocked. This replacement kit is not compatible with the Vitamix XL.EASY TO INSTALL - Simple DIY installation that takes approximately 10 minutes, allowing for quick replacement and a sense of accomplishment.SIZE - Approximately 4.1 cm in diameterMATERIAL - PlasticCOLOR - BlackPACKAGE CONTENTS1 x Drive Socket1 x Hex WrenchNote: Only the items listed are included. Other products shown are not part of the package.Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.