Connector Type:Plug In Contact Material:Plastic 72-pack Tactile keyboard clicker: Pre-lubricated 3-pin plate-mount switches with smooth actuation and crisp rebound. Perfect for custom mechanical keyboards or upgrades. Transparent Housing Design: The mechanical keyboard switches transparent blue housing enhances the LED backlighting. The optimized shaft design ensures consistent tactile feedback while gaming and typing. POM Shaft: High-quality clicky switches high-quality plastic housing with a copper alloy spring for wear resistance. The splash-resistant construction ensures performance even with daily, intensive use. Compatible: clickers for 3d prints compatible with most MX series mechanical keyboards. The powerful two-level tactile bump enhances the rhythmic feel for programmers, writers, and gaming enthusiasts. Factory Precision Lubrication: Machine-applied grease minimizes friction noise and stick-slip. Plug and play, enjoy a smooth and consistent keyboard switches experience.