Amazon.com: 10X Romer G Mechanical Keyboard Switches Compatible for Logitech G310 G810 G910 G613 GPro Keyboards (Black) : Electronics
Amazon.com: LICHIFIT Switches Buttons Key Shaft for Logitech G810 G910 G413 G513 Pro Mechanical Keyboard 4PCS Replacement Repair Parts for Romer G : Electronics
4PCS Romer G-Switch Button Key For Logitech G810 910 413 513 Pro Keyboard Switch | eBay