“From my point of view, completely useless. The plastic loading bar is so flimsy that it holds the cable in the correct order to be inserted into a plug, not to mention that the grounding strap is nothing more than a sticker, and has zero instructions (even on the product page on the website). After literally hours of trying to get a single-end crimped, I gave up and purchased some Cat6a RJ45 ends from VCE, which just worked as expected.”