General description New motor gives 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 provide e-clutch, power-up, and overload protection. It has a two-speed gearbox for increased versatility when drilling in wood, metal, and concrete with standard drill bits. The innovative mode selection collar allows intuitive control for optimal performance. Technical specifications Voltage: 110V Maximum dry core bit size: 127mm Chuck size: 16mm Motor power: Minimum 850W for heavy-duty applications Compatibility and accessories Includes: Multi-Position side handle Depth Stop Heavy Duty Carrying Case BAP Electricians 7 Piece 2 CORE Diamond Core Set for Granite Marble Trade quality and fully compatible with Makita, Dewalt, Bosch, and Milwaukee core drills Kit contains: 2 x Core Drills, 5 x Accessories, 1 x Aluminium carry case with foam insert Usage This drill is ideal for medium-hardness