Rubber keycap

This cherry mx switch tester shares you exactly the same press feeling on a cherry mx switch mechanical keyboard. Like owning 4 mechanical keyboards, 4 different switches will help you to tell what your favorite type is. CLEAR SWITCH COLOR: Mounted on a crystal transparent acrylic model, equipped with translucent clear keycap, this switch tester lets you easily know the color of every key. EXTRA GADGETS: You can easily pull out the keycaps, even all 4 keys from the housing, with the keycap puller. Further, the cherry mx switch tester comes with 4 sound dampening rubber O-ring samples, you will know how the key with O ring feel like. MUST HAVE: The switch sampler must have kit to try Cherry MX mechanical switch for anyone who's gonna buy a mechanical keyboard.