You will find that the 2Pcs size makes it simple to pick the right one and keep the rest safe for later.
2 Pack Waterproof Relay and Harness Kits 40/30 AMP 12V Relay Switch, 5 Pin SP…
The size of this 2Pcs set feels just right for common tasks and the parts don't get lost easily.
A nice touch is that the 2Pcs are small enough to fit in a pocket, so you can carry them around.
A nice touch is that the 2Pcs size fits well on a standard rail, and you can add more if needed.
It feels good knowing the 2Pcs are a manageable size and you will find that they fit well with other parts.