Amazon.com: Gikfun 1 x 40 Pin 2.54mm Single Row Breakaway Male Pin Header for Arduino (Pack of 10pcs) EK1530 : Electronics
Amazon.com: MCIGICM 10pcs Male Header Pin, 40 Pin Header Strip (2.54 mm) for Arduino Connector : Electronics
Amazon.com: Chanzon Round Pin Header Strip for Arduino Gpio 4 pin x 50pcs Male Headers Pins Straight Single Row Gold Plated Pitch 2.54mm 0.1 inch Breakaway for PCB Connector Raspberry pi Machine
Amazon.co.jp: Pin Header 2 x 23 = 46P Gold Plated 0.1 inch (2.54 mm) Pitch Between Board 11 mm Pack of 2 : DIY, Tools & Garden
Amazon.co.jp: Pin header terminal, 2.54mm pitch male and female pin connector housing 560Pcs. Durable, easy to operate for appliances for circuit board : Industrial & Scientific
OCR 60Pcs 2.54mm 40Pin Breakaway PCB Board Male Pin Header Connector Singler Row for Arduino Shield Blue Black Green White Red Yellow 6Colors: Amazon.com: Industrial & Scientific