WHY DO YOU NEED OUR JUMPER WIRES?1. The test leads are made of high quality silicone material which could help with longevity of use, they're soft and supple, and the ends of the leads are sturdy.2. They have 5 variety of colors(red, green, white, black and yellow).So you will not grab the wrong test when testingand enjoy the convenience and practicality of these very useful jumper wires.3. They are useful for connecting components to wires. 4. No matter you’re trying to make a few quick connections to test your circuit or having trouble making your multimeter leads stay where you need them.These are a must-have for your workshop.Size Information: Whole wire length: 11.8 inch/30cm. Cable Material: SiliconePackage includes: 10 x Stackable Banana Plug to Female Jumper Wires