YROHGKPN Mechanical Keyboard Switch Tester Keychain, 1 Piece Clicky Blue Switch Sampler Keyring for MX Style Switches, Portable Stress Relief Fidget

["produces a secure fit for any keycaps and all stems are for housing, letting you pick from the wide variety of available keycaps","Clicky keychain with secure lobster clasp in a clear hard housing","Perfect for any mechanical keyboard lover","Blue Clicky Black-Linear Red-Linear Brown 45g","Switches have quickly become of the most sought after names in the keyboard community"]