This 10piece set of Cherry MX style 5pin switches is designed for easy replacement and on keyboards that support standard Cherry MX style switches. It is compatible with Feker 75, GMK67, GK61 and similar models, providing a readytoinstall option for upgrading or restoring your keyboard. 5pin Cherry MX style switches: standard crossstem design for compatibility with most keycaps and PCBs that accept 5pin switches 10 switches per box: convenient for a full keyboard or for multiple builds or experiments Compatibility: fits keyboards that accept 5pin switches, including Feker 75, GMK67, GK61 accessories; designed to match the form factor and mounting standard of Cherry MX style switches Construction: built to typical Cherry MX style specifications with a durable housing and reliable contacts for longlasting use Performance: offers smooth actuation and consistent keystrokes across keys, delivering a reliable typing experience Installation notes: suitable for solderin builds on boards that support 5pin switches; if your board is hotswappable, confirm 5pin support before installation Use cases: 1) Replacing worn or sticky switches on a Feker 75 keyboard 2) Building a custom keyboard using GMK67 or GK61 components with Cherry MX style switches for familiar feel and keycap compatibility 3) Creating a test set to compare different switches across a single board or across multiple boards Box contents: 10 switches