30Pcs 40 pin Breakable Pin Header 2.54mm Single Row Male Header Connector Kit PCB Pin Strip for Arduino
https://www.vogueparade.com/shopping/EN/4003/1/1005002796241252/30pcs-40-pin-breakable-pin-header-254mm-single-row-male-header-connector-kit-pcb-pin-strip-for-arduino//