General description New motor provides improved performance in applications with dry core bits up to 127mm in bricks or soft masonry. The Dewalt D21570K Dry Diamond Core Drill features electronics that offer e-clutch, power-up, and overload protection. It includes a two-speed gearbox for increased versatility when drilling in wood, metal, and concrete with standard drill bits. The innovative mode selection collar allows for intuitive control, ensuring optimal performance. Technical specifications Voltage: 110V Chuck size: 16mm Core bit capacity: up to 127mm Compatibility and accessories Compatible with Makita, Dewalt, Bosch, and Milwaukee core drills Includes a heavy-duty 10 Piece diamond core drill set Core sizes: 38mm, 52mm, 65mm, 117mm, and 127mm Suitable for cutting granite, marble, limestone, slate, hard bricks, and other dense materials Comes with an aluminum carry case with foam insert Installation Multi-position side handle for better control Depth stop for precise drilling