Features: Brand new and high quality Discover the flexibility to mix different keyboard Switches experiences with our 2 hole, 3 hole, and 4 hole keycap tester. The convenient design allows for quick and easy testing of various keyboard switches, ensuring a realistic typing experience Suitable for keyboard enthusiasts, gamers, and programmers who value precise feedback from their keyboards. Perfect for variety of setting including homes, offices, providing exceptional typing experience for types of mechanical keyboards. Take controlling of your typing experience with our detachable and easy to clean keycap tester, allowing you to customizes and optimizes your keyboard Specifications: Material:PBT Type:1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31 Package Includes: 1x Keychain Switches Tester note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.