Create a finished finish with the CableMod ModFlex Extension Cable made of high quality materials.Each extension uses high quality copper wire for high conductivity.We use our own ModFlex sleeves for superior flexibility and vibrant colors. Our cable craftsmen carefully craft each cable at a time without using any heat shrink tubes, giving your creations a cleaner and more beautiful look. And by using an extension cable, you can reach every corner of the large PC case that was hard to reach at normal length.