What catches people: contacts are not included. At 1.25 mm, the pitch is tight enough for dense harnesses but still workable with 28-30 AWG wire on the assembly bench.
Wiring it up — what to order alongside it
This housing takes female socket crimp terminals (not included — order separately). The crimp termination means you strip, crimp, and insert — no soldering, no special tooling beyond a hand crimper for the terminal family. It's a free-hanging, in-line connector, so there's no PCB footprint to worry about; the board side is handled by the mating Micro-Lock PLUS header. The latch holder locks audibly when fully seated, which is your field check that the terminals are home.