This is for a lot of 10 sockets so if you require 60 sockets pleases select quantity as 6.

This is for adding hot swapable capabilities for you custom mechanical keyboard - by soldering the socket on a PCB, the switch can be changed easily without having to be desoldered. 

Each key requires two sockets so 10 sockets is for 5 switches. 
It has a diameter of about 1.3mm.