Features: _x000D_ This kit comes with the most common jumper wire pin housings in addition to male and female crimp pins in a case. _x000D_ These work are great with all your typical breadboard style pin connectors and sockets. _x000D_ Come in a transparent box of classification management for convenient use and storage._x000D_ _x000D_ There are total 370 pieces jumper wire connector parts which is good for home electronics prototyping. _x000D_ Fine workmanship and easy to use. _x000D_ Applications: automotive, aircraft, electronic products, household appliances, electronics factories and other connections. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: tin-plated copper + plastic _x000D_ Wire gauge: 18-26AWG _x000D_ Needle spacing: about 2.54 mm _x000D_ Rated voltage: 250V _x000D_ Rated current: 3A _x000D_ Working temperature: 25 ~ 85 _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 20pcs x 2.54mm x 1 Pin female crimp pins wire jumper pin housing_x000D_ 20pcs x 2.54mm x 2 Pin female crimp pins wire jumper pin housing_x000D_ 20pcs x 2.54mm x 3 Pin female crimp pins wire jumper pin housing_x000D_ 10pcs x 2.54mm x 4 Pin female crimp pins wire jumper pin housing_x000D_ 10pcs x 2.54mm x 5 Pin female crimp pins wire jumper pin housing_x000D_ 10pcs x 2.54mm x 6 Pin female crimp pins wire jumper pin housing_x000D_ 140pcsx 2.54mm male crimp terminal_x000D_ 140pcsx 2.54mm female crimp terminal