These 7305 Mill-Max sockets can be soldered to your PCB to turn it into a hot-swap board. This is for turning a solder only PCB into a hotswap PCB.  Remember that...

These are 3305 Mill-Max sockets, which are very similar to the 7305 sockets but designed specifically for keyboards. You can turn a solder PCB into a hotswap PCB with these...