DIYhz Male and Female Pin Header (5pair) Gold Plated (ROHS) Single Row Round Pin 1 * 40 40P Straight Needle Male PCB Pin Header 2.54 mm Male Pin Header Connector Gold Used in Computer and Breadboard : Industrial & Scientific - Amazon.com
5 Pieces 40Pin Connector Header Round Needle Gold Plated 1x40 Golden Pin Single Row Male 2.54mm Breakable Pin Connector Strip - AliExpress