These cables are meant to fit all Cheyenne/Pen style machines that have a 3.5mm connection (not all pens do) This thin 5mm, durable cable is made to take some abuse. It's OFC copper wire is meant to get the cleanest power to your machine. The 1/4” connection to your power supply has a separate strain relief to provide protection again pulling or tugging on the wire. They come with a one year warranty but will last for years if used how they’re intended and not mistreated. Standard length is 6' but I can make whatever length you request. Over 8' foot will be an extra $10 charge. 
*Note cords are not always in stock and will sometimes be made to order. Once you make your order, the item will be to you in about a week via USPS priority mail. Thank you!