AKWOX Mechanical keyboards Switch tester, keycap Puller, keyboard Keycap, Cherry MX Switch, O-Ring Sampler Tester Kit Provides an accurate representation of feel and noise of the 4 major Cherry MX switches. A must have kit to try Cherry MX mechanical key switch. Mounted on special design acrylic base to simulate actual key feeling. Translucent clear keycaps to easily distinguish between switch types and O-rings. 4 Different Cherry MX Switches: Cherry MX Red, Cherry MX Black, Cherry MX Brown, and Cherry MX Blue