Features: Experience precise Linear Switches Testers, the keychain toy for mechanical keyboard enthusiasts to find their Switches feel. This set offers a comprehensive of linear switches to test, ensuring you make for your typing comfort. For gamers, programmers, and writers who demand consistent keystroke performances and are to customize their mechanical keyboards. For workspaces or home setting up your gaming station, our Switches testers provide the tactile feedback necessary enhances your keyboard experience. Our mechanical keyboard Linear Switches Tester with optimized keystrokes for efficiency and comfort. Specifications: Types: 4-key/9-key Tester Size: about 4-Key 6.1x6.1x3cm/2.4x2.4x1.18in / 9-Key 7.5x1.9x2.6cm/2.95x0.75x1.02in Package Includes: 1Set Switches Tester note: Due to the lighting effects there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product