<ul><li>Conductor Material: Copper</li><li>Jacket material: TPU/PUR</li><li>Model Number: 4 core spring telescopic wire spiral cable</li><li>The standard is the length of the line, it is recommended to pull it to less than half, longer and better!</li><li>It is recommended to pull less than half ,if pull it over we do not waranty to rebound.</li></ul> 2.5 meters straight line---the length of the spring is about 25CM ---- it can stretch about 1.25 meters 5.0 meters straight line--- the length of the spring is about 50CM ---- it can stretch about 2.5 meters 7.5 meters Straight line---the length of the spring is about 75CM ---- can stretch about 3.75 meters 24AWG0.2mm /20AWG0.5mm /17AWG1.0mm /14AWG2.0mm for optional Length: As your choice

GatherTOOL 4 Core Spring Telescopic Stretchable Extension Wire Wire Spiral Cable 24AWG0.2mm /20AWG0.5mm /17AWG1.0mm /14AWG2.0mm (Size : 24AWG0.2MM, Color : 3.7 Meters)