Standard Micro Jumpers for Hard Drives, 24 Pack: Hard Drive Jumpers: Amazon.com: Industrial & Scientific
Buy Wholesale China Mini Jumper, 2.54mm Jumper Shunt Connector, 2-pin Header, 6.0mm Height, Open Type & Mini Jumper, Jumper Shunt,2 Pin Header at USD 0.099 | Global Sources
Amazon.com: 600 Pieces Standard Computer Jumper Caps Header Pin Shunt Short Circuit 2-Pin Connector Open Top 2.54mm. Suitable for Arduino Raspberry Pi PCB PC DVD HDD Motherboard Shorting and Other Items. :
Male Jumper Connectors & Pins 1 2 4 5 6 8 10 Way 2.54mm Breadboard Plugs For Rearap 3d Printer - 3d Printer Parts & Accessories - AliExpress