Vevor Diamond Core Drill 0.8-6.3 inch Diameter 0-1800 Variable Speed with 4 Drill Bits 2000W NewThis handheld diamond core drilling machine is equipped with a 2000W motor with 01800 RPM variable speed for fast, controlled drilling. It supports both wet and dry drilling to help manage dust and improve hole quality across a wide range of materials. The built in clutch and overload protection are designed to reduce kickback and protect the motor during tough jobs. It includes four diamond tipped drill bits (1 in, 2 in, 3 in, 4 in) so you can start