This industrial-grade hole saw accessory is exactly what i needed for my concrete drilling project. Based on my observations, the diamond extractor remover makes quick work of removing stubborn materials allowing me to save time and effort .The high-quality design is impressive and the end result is a perfect hole every time. However, the only downside is that it`s a bit pricey compared to other options in the Cutting Tools category. Overall, this tool is worth the investment for any serious DIYer or contractor in need of a reliable solution. Highly recommend!