HH-R01 and HH-AT01
I've been using the HH-R01 engraver for many years. As a electric graver, it requires some adjustment to get used to, but I've managed to handle every type of work with it, from engraving to stone setting. Its only weakness is bezel setting when you need to move more metal. To address this, I recently purchased the HH-AT01, which I believe is the BEST and most powerful pneumatic graver on the market (also own a GRS GraverSmith, but I no longer use it) . I am very pleased with these machines. In conclusion, to successfully perform all kinds of jewelry work, both the HH-R01 and HH-AT01 are essential.