The Jingling Diamond Cylindrical Grinding tool is a must-have addition to any lapidary workshop. With its exceptional quality and performance, this product has been a game changer for my jewelry making. Industrial and Scientific grade excellence offers unparalleled results, allowing me to create stunning pieces with finesse and precision. According to my experience, this tool is long-lasting and perfect for all kinds of lapidary work. The only minor downside is the higher price, but its performance and quality make up for it. Highly recommend it for any professional or enthusiast!