Welcome to ETC Educational Technology Connection (HK) Ltd!
This is a SparkFun exclusive!
These are 155mm long jumpers with female connectors on both ends. Use these to jumper from any male header on any board, to any other male header.
Combine these with our male to male jumpers to create a male to female jumper. Multiple jumpers can be installed next to one another on a 0.1" header. Comes as 1 package of ten jumpers (colors shown).