Dahszhi Female PCB Header Right Angle 40 Pin 2.54mm Pitch Connector - Pack of 20pcs: Amazon.com: Industrial & Scientific
Amazon.com: Glarks 70Pcs 2.54mm Straight Single Row Breakable PCB Board 40Pin Male Pin Header Connector Set for Arduino Prototype Shield (Needle Length Include 10mm and 17mm) : Industrial & Scientific
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
Amazon.com: Connectors Pro 25-Pack 26P 2.54mm 0.1" Pitch PCB Female Pin Headers 2x13 Dual Rows 26 Pins Female Sockets to Male Straight PCB DIP, Double Rows PC Board Through-Board Strip (2x13-26P-25PK) :
Amazon.com: 5Pcs Female Pin Headers, 2x20 Pins 2.54m Dual Row Short Pin Headers Connector, PCB Board Pin Header Strip for Raspberry Pi : Electronics