Totally 220 pieces, this 2.0mm Pitch Kit with JST-PH Connectors  is a must-have for your workstation. You'll have enough sockets and plugs to fuel your maker tendencies for days on end!These connectors are really common in electronics, we use the 2 pin ones for our batteries and battery packs. The 3 pin and 4 pin are used for STEMMA connectors. The 4 pin size is even compatible with Grove! They are large enough you can crimp without too much difficulty, but not as chunky as 0.1" / 2.5mm JST XH and...