10Pcs 2.54mm Pitch 40 Pin Single Tin PCB Panel IC Breakable Round Female Header

5Pcs Green 3.5" IDE Hard Drive 39 / 40 Pin Male Shrouded Header IDE Connector

10PCS 40Pin 1x40P Male 2.54mm Breakable Pin Header Blue/Red/Yellow/Green/White

10pcs Gold Round 40pin Male single row 0.1" 2.54mm pitch PCB Panel Pin Header

10pcs 40pin Male Single Row 0.1" 2.54mm Pitch PCB Panel Gold Round Pin Header

2.54mm Pitch Single Row 1x2-40Pin Male Pin Header Strip 15mm Arduino

10 PCS 2x40 Pin 2.0mm SMD Male Double Row Pin Header Strip 2.0 Pitch Connector