2-pin Header Jumpers (unit of 10) Not currently available 2-pin header jumpers fit headers with 0.1" spacing. Each "unit" consists of ten (10) 2-pin headers. 50 units will get you 500 header jumpers. You may also be interested in... ISP Shield for Arduino The Adafruit USBtinyISP kit Meggy Jr RGB Video Game Kit Headers Home > Products > Headers