The 22-55-2101 is a 10-way 2-row SL? Female Crimp Housing for use with 70058 and 71851 crimp terminals. Version-A, non-polarized, 2.54mm pitch and black polyester construction. This crimp housing is suitable for signal and wire-to-board. Mates with 70229, 70280, 70246 and 70247 2.54mm pitch C-Grid? header.