As a professional metal door installer, I highly recommend this product for anyone looking to hem their doors quickly and easily. Based on my experience, Malco's DHT1 Door Hemming is an essential tool for any industrial and scientific setting. It's simple to operate and provides a clean, professional finish every time. The only downside is that it's geared towards metal doors only, so those working with other materials may want to look for an alternative solution. Overall, a great investmentβ¦