Effective concrete/cement/paint floor grinding tools, fast and fluent grinding. Smooth and unbroken edges, low grinding resistance, high efficiency.​ Design for removing adhesives, thin coatings and leveling uneven spots or joints. The trapezoid is a very aggressive segment that easily attaches to the segment plate. It's good to coarse grinding concrete quickly, remove bump, make the leveling., Weight: 0.45856150496 Pounds, Manufacturer: Ehwisbe