The 504193-0200 is a 2-way 1-row Micro-Lock? Female Crimp Housing, 1.25mm pitch, white polyester construction. For use with Micro-Lock? 504185-1000 wire-to-board crimp terminal. This crimp housing is suitable for wire-to-board. Mates with 504194 Micro-Lock? 1.25mm pitch vertical header and 504195 Micro-Lock? 1.25mm pitch right angle header.