The VEVOR handheld diamond core drilling machine delivers up to 1800W of power with a 2-speed gearbox for efficient wet or dry coring in concrete, brick, stone, and marble. It supports large drilling capacity up to 8 in (200 mm) and uses a UNC 1 1/4-7 external threaded output shaft for core bits. Safety-focused features like a built-in clutch and overload protection help reduce kickback and protect the motor during demanding work. The lightweight aluminum body is designed for durability while keeping fatigue lower during extended use. This kit includes multiple core bits so you can start drilling common sizes right away.