As a first-time buyer in the Industrial AND Scientific field i found Frey Scientific`s carbon electrodes to be a game-changer in my substance analysis project. The electrodes' length provided a precise and reliable measure, making my analysis much easier. As a result of using this product, I found that I could conduct more accurate and consistent tests, which led to more reliable results and better decision-making... The only downside is the price, but considering the quality, it's worth every pSee full review