This is a deluxe NAND X & JR programmer wire for reading and writing NANDS, hand made, with Dupont male crimps on the ends, no more burnt wire ends and  trimming, they can be used over and over again, they come with some heat shrink tubing which you can place on where you want it and heat to shrink in place, perfect for novices and expert installers, they give you an excellent connection and ease of installation and will last for ages for multiple installs.