Specially suitable for hard concrete, granite, gneiss, smoothable engineering, carbonaceous shale, sidewalk slate, engineering block / engineering block class 2, concrete, blocks, u-shaped groove, sidewalk blocks, cemented tiles,  marbles, and unglazed tiles.

Specially suitable for hard concrete, granite, gneiss, smoothable engineering, carbonaceous shale, sidewalk slate, engineering block / engineering block class 2, concrete, blocks, u-shaped groove, sidewalk blocks, cemented tiles,  marbles, and unglazed tiles.