Enables the inside surface of the cylinders to be deglazed and cleaned of deposits such as carbon quickly and effectively. Suitable for all cylinders with a bore diameter from 51 to 250mm. Flexible self-aligning shaft allows use without removing cylinder. Use with cordless drill for speedy results. Suitable for use with a cordless drill, the Engine Cylinder Hone from Laser Tools is available in two sizes for speedy, high-quality results. Features and Benefits: Flexible self-aligning shaft for smooth operation. Cordless drills yield fast results. Replacement stone sets readily available (LSR5032071E). Cleans and de glazes cylinders of carbon deposits quickly and effectively. Use with cordless drill for efficient results. Adjusts from 51mm to 260mm.