Features: The Spring Tension System delivers precise clicks feedback with optimized spring pressure, eliminating button fatigue during extended gaming or office tasks while enhancing control accuracy. Crafted from durability metal, this travel elimination mechanism ensures rapid responses and consistent button performances through advanced pressure calibration technology. Design for competitive gamers and professional designers requiring pixel perfect accuracy in fast pace scenario like esports tournaments or graphics editing workflows. Maintains reliable clicks consistency during intense gaming marathons, high frequency office operations, or prolonged data processing tasks with reinforced structural integrity. Revolutionize peripherals performances with this mechanical upgrades that combines high grade durability and microsecond level responsiveness for G304 G305 mouse uncompromised precise control. Specifications: Component:Metal for G304 G305 Mouse Process: precise processing suitable for G304 G305 mice Option Type:1pair,4pair; Improve the feel of the mouse button and enhances clicks feedback, suitable for gamers and office users Package Includes: Package A 1Pair Mouse Spring Prepression System Package B 4Pair Mouse Spring Prepression System note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.