Break Away Headers: Pcb pin head is a straight single row connector, the size of pin pitch is 2.54mm/0.1 inch and there are totally 40 number of pins
60 Pieces Breakaway Pin Header, 40 Pin 2.54mm Straight Single Row Male Pin Header Connector for Arduino Prototype Shield
Male Header Pins Arduino
Male Header Pins TAODAN 60pcs Single Row 40 Pin 0.1
10PCS 40P Male Header 1X40 Pin 2.54 Round Female Pin Header
Pololu - 0.100 (2.54 mm) Breakaway Male Header: 1×40-Pin
position : 1*40 40P Row : 1; mounting angle : Straight needle Pin Pitch : 2. 54mm package content : 5 x Male and female pin header
Male and Female Pin Header (5pair) Gold Plated (ROHS) Single Row Round Pin 1 * 40 40P Straight Needle Male PCB Pin Header 2.54 mm Male Pin Header
Glarks 112Pcs 2.54mm Male and Female Pin Header
Featuring standard 2.54mm (0.1 inch) spacing, these headers are perfect for use in your Arduino, Raspberry Pi, Digispark, or other electronic circuit boards. They fit perfectly into breadboards and existing circuit boards for assembly, repairs and DIY. You can snap these 1x40 straight headers to create the correct length for your needs without compromising quality or conductivity.
40-Pin male Header 0.1 inch 2.54mm Breadboard/PCB Strip Connectors 10/25/50/100Pcs, Size: 101
Chanzon Pin Header Strip for Arduino Gpio 40 pin x
10PCS 40P Male Header 1X40 Pin 2.54 Round Female Pin Header