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Description: This is a very large row of high quality machine pin headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Why machine pin? Machine pins are round making better contact with IC sockets and connectors.
Based on 2 ratings:
The usual square pin headers just won’t fit into many sockets or breadboards, or require a worrisome amount of force (“Am I permanently damaging my breadboard here?”) to do so. These guys fit nicely, they’re a good length, they look nice, and they’re really easy to solder. Since I can cut to the number of pins I need, they’re great for odd-sized breakouts, Pro Mini, and many similar uses. Expensive yes, but I can’t find them anywhere else and they do a job nothing else can.
Great product at a great price. Compare with the “biggies” which are probably 5x or 10x as expensive. Would prefer that Sparkfun had the 64 pin version of this though.