This set of 40 splittable jumper wires should give you enough wires for a number of projects. Allows you to connect up 2.54mm header pins without having to create your own cables. Simply peel off the number you need.
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Posted by Michael. on 15th Nov 2013
It's difficult to give a sensible review what are essentially just wires.
The questions you might have are...
Are they wires? Yes.
Can you split off individual wires properly? Yes.
Do they fit pins sticking out of things? Yes.
What I haven't tried yet is cutting one on half, stripping the cut portions, to see how stiff the wire is, and if they'll stick into a breadboard or arduino headers cleanly, but if it isn't that's easy enought to work with.