With the Carat Brilliant ETDB010000, you drill clean and accurate 10 mm holes into hard tiles, ceramics, and natural stone. The integrated Lubriwax cooling allows you to work completely dry without the mess or hassle of water cooling. Its 1/4" hex shank locks firmly into your drill driver, preventing slipping under load. Thanks to the compact 35 mm length, you maintain precise control and stability while drilling. Use a drill running at a minimum speed of 1,500 rpm to achieve fast, flawless results on every installation.