HSSDTECH Laptop Screw Set for Lenovo ThinkPad E15 Gen 3 20YG 20YH 20YJ 20YK E15 Gen 4 21ED 21EE 21E6 21E7 5S10Z89173 5S10Z89195 5S10Z89211 (Bottom

Laptop Screw Set for LENOVO ThinkPad E15 Gen 3 20YG 20YH 20YJ 20YK E15 Gen 4 21ED 21EE 21E6 21E7 5S10Z89173 5S10Z89195 5S10Z89211 (Bottom cover anti-loosening screws not included) Important Notes Before Purchase: Before purchasing, please check the required model and ensure that the product you are purchasing is compatible. (See below for details.) After confirming the model, please also check that the parts you have match the product image. The product you receive will be the same as the image, so please check carefully. Assembly Instructions: If you are unsure how to assemble the parts or have any questions, we recommend referring to assembly videos on the internet. Assembling the computer yourself without proper knowledge may damage it, so please be very careful. Regarding pre- and post-sale support: If you have any questions before purchasing, please feel free to contact customer support at any time. If you have any questions or concerns after receiving your product, please contact customer support. Thank you for your continued patronage. We prioritize customer satisfaction and will continue to provide even better service. We look forward to your continued support.