Tip: The KS-33 low profile switches is apply for the keyboard fit GATERON low profile switch, not for other low profile switch replacements. [SMD LED & Plug-in LED]Gateron 35 pcs keyboard switches tester, the mounted method is varied from different key switches which is through-hole/SMD LED compatible. [Durability] Approximate lifespan of 50 million times of keystrokes to 100 million varied from different keyboard switches in this 35 pcs switch tester based on laboratory durability test. Meanwhile, a single acrylic package box comes with 35 switches that can be served as a lubing station if necessary. So the switches will not shake for better performance. [Performance] Gateron Low Profile 2.0 Banana 65gf tactile keyboard switches Different from Gateron low profile brown keyboard switches, the low profile 2.0 banana key switches heavy tactile switch is produced with a 65gf operating force that is aimed to create unique and smooth feedback.