This is a pack of 20 pairs of  4" long female to female jumpers with a spacing of 2mm. 

This is a mixed jumper wires package. It consistes of the following:   10 x 2.54mm female to 2mm female jumper wires 2 x 2.54mm male to 2.54mm female jumper wires

These are a pack of 40 4" long jumpers, 10 6" and 10 9" jumpers.  Multiple jumpers can be installed next to one another on a 0.1" header. Comes as 1 package of 40 jumpers (colors shown) male-to-male, 10 6" and 10 9" jumpers.

These are a pack of 40 4" long jumpers

These are a pack of 40 4" long jumpers.

This is a pack of 40 4" long jumper with female headers on both ends. On one end the female header is designed for 2.54mm spacing, and on the other end, the female header is designed for 2mm spacing. It is ideal for connecting 2.0mm spacing headers to 2...

140pcs of 22AWG solid wires Pre-cut, Pre Stripped and Pre-formed on each end Vaiety color compleletely Resuable 14 lengths X 10 pcs each (2/5/7/10/12/15/17/20/22/25/50/75/100/125 mm)