These are Amphenol 20021311-00020T4LF
20 Pin Female Recepticle (10x2) GOLD .010 inct centers Vertical Through Hole Headers
Amphenol model 20021311-00020T4LF
High Quality - Made in USA
Buy what you need for your small projects at Luddite Electronics
These are factory new parts. They have never been installed and have not been recovered from manufactured electronic components.