36-pin Swiss Female Socket Headers - Pack of 5 : ID 3646 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Connectors Pro 25-Pack 30P 2.54mm 0.1" Pitch PCB Female Pin Headers 2x15 Dual Rows 30 Pins Female Sockets to Male Straight PCB DIP, Double Rows PC Board Through-Board Strip (2x15-30P-25PK) :
Pololu - 0.100" (2.54 mm) Female Header: 1x8-Pin, Straight
Amazon.com: uxcell 2.54mm 2x20 40-Pin Female Pin Header Socket Connector Strip 10 Pcs : Electronics
2.54mm Double Row Female Pin Header Long pin 12.2mm 2*20p 6/8/10/32/40 socket PCB PC104 23.2mm Connector for GPIO 3B+ 4B Arduino - AliExpress
Pin Header Strip 40 2.54mm Connector | Pin Double Row Strip Connector - 10pcs - Aliexpress
Amazon.com: Connectors Pro 25-Pack 20P 2.54mm 0.1" Pitch PCB Female Pin Headers 2x10 Dual Rows 20 Pins Female Sockets to Male Straight PCB DIP, Double Rows PC Board Through-Board Strip (2X10-20P-25PK) :
Header Female 1x10 (2-Pack) - ProtoSupplies
10 pcs. 15 Pin 2.54mm Pitch 15 Pin Female Single Row Straight Header Strip PH:8.5mm: Amazon.com: Industrial & Scientific
Header Female 1x14 (2-Pack) - ProtoSupplies
72 pins 2.54mm pitch IC socket female pin header strip connector
Header Female 1x12 (2-Pack) - ProtoSupplies
Pin header - Wikipedia
40 Pin 2.54mm Single Row Female Pin Header - N8 Synthesizers
10PCS 15 PIN Single Row Straight Female PIN Header 2.54MM Pitch pin Long 11MM Strip Connector Socket 1X15 15PIN for arduino PCB: Amazon.com: Industrial & Scientific
Pololu - 0.100" (2.54 mm) Female Header: 3x7-Pin, Straight
20-Pin Female Header Strip
2.54mm Female Snap Header - Single Row/Pin: 4～40/ EXTRA LONG PIN: 11mm – Firgelli Robots
2.54mm Female Header Strip - Double Row/Right Angle/Pin: 2*2~40 – Firgelli Robots
