One pair of 24" long jumper wires include one red and one black wires with alligator clips on both ends of each wire. Wires and alligator clips are insulated with flexible PVC. Alligator clips are 5-cm long (about 2 inches).
For low voltage/ current applications not exceeding 24 volts, 3 amps.
Pack of 10 include 10 red jumper wires and 10 black jumper wires.
Pack of 100 include 100 red jumper wires and 100 black jumper wires.