MODEL NUMBER - Drive Socket Kit - 891.DURABLE & STRONG - The kit is made of premium material and tests had been performed for long lasting use. You "t need to worry about replacing it frequently, saving your time and the maintenance cost.COMPATIBLITY - 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 XL.EASY TO INSTALL - It will take you about 10 minutes to replace the new drive socket kit. DIY installation, full of accomplishment.size:Approximately 4.1cm in diameterMaterial:plasticcolour:black Contents:1 x Drive Socket1 x Hex wrenchOnly the above content, other are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it