Logitech's new mechanical keyboard lets you swap its switches as easily as keycaps - The Verge
4X Romer-G for Logitech G810 G910 G413 G Pro Mechanical Keyboard Switches Omron | eBay
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Amazon.com: LICHIFIT Switches Buttons Key Shaft for Logitech G810 G910 G413 G513 Pro Mechanical Keyboard 4PCS Replacement Repair Parts for Romer G : Electronics