["Details\n1.This link is only the shaft and switches for mechanical keyboard\n2.It can only be used with SMD led,can'for t use switch led.All box switches in our stock are new edition,won'for t break GMK keycap.\nIt can be for 2x3x4mm led and 1.8mm led,however need to solder led to PCB at first,then solder switches on.3mm round can'for t use even you solder led before switches.\n3.The life-time is around 80 million times which is longer than usual switches.\n4.This switch is IP56 water-proof and dirt-proof.Kailh Box switches are IP56 rated to keep dust and moisture out. Created with a box around the for cross stem instead of the for cross stem just sticking up, they’re built to avoid corrosion and debris buildup. The box extends to the contact plate and leaf, providing for extra for protection.\n5..Used 18k gold crosspoint technology which makes press feeling better.\n \nBox Black\nLinear\nOperating force: 60 gf (+/-10 gf)\nPretravel: 1.8 mm (+/- 0.3 mm)\nTotal travel: 3.6 mm (+/- 0.3 mm)\nReset point: 1.8 mm\n \nBox White\nClicky\nOperating force: 50 gf (+/-10 gf)\nTactile force: 55 gf (+/-10 gf)\nPretravel: 1.8 mm (+/- 0.3 mm)\nPressure point: 1.7 mm\nTotal travel: 3.6 mm (+/- 0.3 mm)\nReset point: 1.8 mm\n \nBox Brown \nTactile\nOperating force: 50 gf (+/-10 gf)\nTactile force: 60gf (+/-10 gf)\nPretravel: 1.8 mm (+/- 0.3 mm)\nPressure point: 0.6 mm\nTotal travel: 3.6mm (+/- 0.3 mm)\nReset point: 1.8 mm\n \nBox Red\nLinear\nOperating force: 45 gf (+/-10 gf)\nPretravel: 1.8 mm (+/- 0.3 mm)\nTotal travel: 3.6 mm (+/- 0.3 mm)\nReset point: 1.8 mm"]