As a hesitant buyer, I was skeptical about purchasing this cordless rotary tool but it has exceeded all my expectations. According to my experience, this tool is perfect for all DIY projects, especially those that require precision and intricate details. The battery life is impressive, and the speed control feature is excellent.The lightweight and portable design make it easy to carry around. The only downside is that it's a bit expensive compared to other models in the market. Overall, this is a great investment for anyone in the Industrial and Scientific field looking for a reliable and versatile tool..