Box NavyOperating force: 60 gf (+/-10 gf) Tactile force: 65 gf (+/-10 gf) Pretravel: 1.8 mm (+/- 0.3 mm) Pressure point: 1.7 mm Total travel: 3.6 mm (+/- 0.3 mm) Reset point: 1.8 mm Easy to UseUtilizing the already popular Cherry MX form, Kailh switches provide an easy transition so you dont have to let go of your existing keycap collection. The MX-compatible stems provide a secure fit for any keycaps, PCBs, or plates you might want to assemble. IP56 Water-Proof and Dirt-ProofKailh Box switches are IP56 rated to keep dust and moisture out. Longer LifeThe life-time is around 80 million times which is longer than usual switches. Warm TipsThe package only includes 65 Kailh Box Navy Switches.