The BAI 59477 DIA Wet Diamond Core Bit Eco 162RD 400LG from Baier is a high-quality tool specifically designed for wet drilling in various materials. This diamond core bit is ideal for use in concrete, reinforced concrete, and clinker. With a length of 400 millimeters and a working length of also 400 millimeters, it provides an effective solution for deeper drilling. The integrated centering drill with a diameter of 3 millimeters ensures precise drilling and easy handling. The wet core bit is designed for use with all common wet drilling machines and allows for efficient cooling during the drilling process, which extends the tool's lifespan. Made in China, the BAI 59477 DIA Wet Diamond Core Bit is sold as a single piece and is a reliable choice for professionals and DIY enthusiasts who value quality and performance.