Uses (2) 10- or 20 segment 10" diameter diamond grinding discs to level, smooth, or clean the top surface of concrete slabsProvides a smoother finish compared to other methods such as scarifying or scrabblingCounter rotating discs provide balanced torque to prevent pulling left or rightCan also be used to level small areas of uneven joints or high spots of 1/16 to 1/8 inchA 22" grinding width makes for quick removalWide ergonomically designed T-Grip handle for easy handling and maneuveringDust Shroud contains grinding debris2" Vacuum port for dust-free operationWater control valve is included for wet grindingTwo-position wheel carriage for grinding and easy transportWorks on concrete slabs, terrazzo, brick, stone and ceramic tile floors.