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female jumpers

Female jumper wires

Hi guys, im looking for a UK source of female-female jumper wires, seems a bit tricky so far. I have found these:


Yes i know they are male to male, but i wonder if anyone knows if the male 'pins' could come out, or are the soldered crimped on etc etc. or if any of you know of another source. I got hammered by import duty when using a US source recently :(