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
10PCS 40 Pin 2.54mm Pitch Breakway Male & Female Pin Header Kit Straight Single Row PCB Board Connector for Arduino Prototype Shield: Amazon.com: Industrial & Scientific
How To - Solder Pin Headers to an Arduino Pro Mini - YouTube
Amazon.com: SIM&NAT 12inch / 30cm 40 Pin Male to Female Dupont Wire, 40 Pin Male to Male, 40 Pin Female to Female Breadboard Jumper wire Ribbon Cables kit for Arduino Raspberry Pi 2 / 3 (120 PCS)
400pcs x PCB Pin Header Male Connector 2.54mm Pitch 2*20Pin 40p Straight Arduino | eBay
40 Pins Male 2.54mm Bent Pin Header Right Angle Single Row 90 Degrees Needle Connector Gold Plated for Arduino PCB Raspberry
2.54mm Pitch Pin PCB Male Female Header Connector Single Row Arduino Breadboard | eBay
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
10PCs Arduino Special Used Pin Header [Pins] – ElectroDragon
Arduino Male Pin Headers | 0.1″ (2.54 mm) Straight Green - DFRobot
Single Female Male Pin Header Case For Arduino 1x40 Row Straight Connector Strip 2.54mm Connectors 40 Pins Header Board Modules - Connectors - AliExpress