The Lenovo IBM Thinkpad L520 L521 Palmrest Touchpad with Fingerprint Reader (part number 04W6548) is an essential component designed to enhance the functionality and security of your laptop. This palmrest features a responsive touchpad for seamless navigation and an integrated fingerprint reader for secure access, ensuring both convenience and protection for your sensitive data. Crafted with durability in mind, it is an ideal replacement part for maintaining the performance and integrity of your Thinkpad device. We appreciate your business.