Features: This Track point Cap replacement is crafted from ABS and precisely fit for E4310 E5550 E5570 E5450 E4300 E5410 E5500 E5470 E5480, offering integration and control for productivity. Designed to matching original size and feel, the wear resistant ABS construction feature antislip and optimized touch point for smooth navigation, reducing fatigue during prolonged use. Ideal for office professional, and individuals seeking a dependable keyboard mouse stick replacement to restoring their device's functionality. Perfect for daily office tasks, remote work setups, or any computing scenario requiring accurate control with a pointing stick accessory. The ergonomic design ensures comfort and efficiency, making it an essential upgrade to maintain keyboard. Specifications: Component:ABS Size:Approx.1cm/0.39inch Package Includes: 1Pc Point Cap note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.