Raspberry Pi GPIO Male Header - 2x20 - PRT-14275 - SparkFun Electronics
GPIO Header for Raspberry Pi A+/B+/Pi 2/Pi 3/Pi 4/Zero [2x20 Female Header] : ID 2222 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
5pcs 2 X 20 Pin Male Gpio Header For Raspberry Pi Zero Double Row 20 Pin Male Pin Gpio Connector Colorful Stacking Header Extend - Demo Board Accessories - AliExpress
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
12PCS 40 Pin GPIO Header Kit 20X2 Pins Right Angle GPIO Header Socket for Raspberry Pi Zero/4B/3B+/3B/3A+|Extension Socket| - AliExpress
Raspberry Pi 40-pin GPIO Long Pin Expansion Header - Spell Foundry
Raspberry Pi 4 Pins - Complete Practical Guide - The Robotics Back-End