Used to cover, isolate and separate with adequate 2.54mm spacing "dupont style" connectors crimped at ends of wire,
also to bind them together to form a cable, that will fit pinout of your Arduino, Raspberry Pi or sensor breakout boards, and breadboards too.
Those shells can host both male and female connectors
We have the ambition to establish a full-blown makerspace in Ennis.
For now we offer few services for local (and not only)makers