This set of six diamond drill core bits is perfect for industrial drilling applications. With sizes ranging from 14mm to 35mm and lengths of 360mm and 250mm, this set is ideal for a variety of drilling tasks. These core bits are of high quality and are built to last. The set is suitable for use in a range of materials, The bits are easy to use and require minimal maintenance, making them a reliable choice for any drilling project. Whether you’re a professional or a DIY enthusiast, this set of diamond drill core bits is a must-have in your toolbox. Not cheap and nasty.