Male Header-0.1" 40-pin DIP Right Angle Single Row
1BitSquared - Black Magic 0.1in Pin Header JTAG Cable
Addicore Male Header 1x40 Pins 0.1" (2.54mm) Spacing
Through Hole Inline Pogo Pin Header - 9 Pins with 0.1" Spacing | The Pi Hut
Break-away 0.1" 36-pin male headers (Black 10-pack) | The Pi Hut
Break-away 0.1 36-pin strip right-angle male header (10 pack) : ID 1540 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Generic 40 Pin Breakaway Headers 0.1" Male Equal Length Long Centered 6.25mm on Both Sides 15mm in Total(pack of 10) : Arts, Crafts & Sewing