According to my experience, the Industrial and Scientific Sunex 4 Inch Angle Grinder has exceeded my expectations for an industrial power tool .The lightweight design and easy maneuverability make it perfect for a variety of applications. With a strong motor and durable construction this grinder has been a great addition TO my workshop. The only downside is that it can be a bit loud, but the high-quality performance makes up for it. Overall, I would highly recommend this product to anyone looking for a reliable and efficient angle grinder..