Kailh PCB Sockets for hot swapping switches. These are sold in packs of 10. Quantity 1 = 10 sockets. Each PCB Socket is enough to do 1 switch. Please note that these require a compatible PCB, and will not work on a majority of the PCBs out there.
There are two types of PCB Sockets - MX compatible and Choc Compatible.
Spec Sheets