Electric Diamond Polisher Machine with 4 Grinding Discs, Electric Concrete Floor Grinder for Polishing and Cleaning Stone Concrete Surfaces, Cement, Marble, Rock, Granite, and Thinset Removing

【ELECTRIC CONCRETE GRINDER】This grinder is capable of planing walls at 90 degrees without angles, and can easily handle different scenarios, ensuring a smooth and efficient experience in wall planing tasks. 【3 DISC EFFICIENT GRINDING】Our concrete grinder adopts a three-axis structure design, with a single disc size of 3.94 inches, which can cover a grinding area of 7.9 inches in diameter, greatly improving grinding efficiency and saving your time and energy. 【ADJUSTABLE SPEED】Equipped with six adjustable speeds, this grinder provides versatility in different scenarios, making it easy to switch between tasks and providing even pressure distribution for easy blade replacement. 【LARGE PARTICLE EXHAUST PORT】This grinder has a large-diameter particle exhaust port that can be used with an external dust collector for a cleaner working environment, improving user comfort and efficiency. 【HIGH PRACTICALITY】The concrete floor grinder is equipped with a full range of accessories to perform grinding/grinding/polishing functions, suitable for concrete/cement/marble/putty walls, etc.; it is an ideals choice for projects