4" Stone Polisher Pneumatic Grinder Stone Grinder Air Polisher Sander Water Mill Pneumatic Polishing Tool for Marble Jade Stone Floor 4300RPM - LuuChain

• Professional Design -- The disk diameter is 4 inches, the no-load speed is 4300rpm, and it can withstand a working pressure of 6-8kg. The large grinding disk allows for one-time grinding of a wider area, improving work efficiency, and achieving better sanding and polishing effects. High Performance -- The head of the stone polishing machine can be filled with water, so the water can be uniformly discharged from small holes during grinding, allowing for more detailed grinding and avoiding dust flying. Durable Quality -- Made of high-quality metal, it's sturdy and durable, and has good impact and corrosion resistance, which is not easy to oxidize and rust. High hardness grinding discs have good wear resistance and are not prone to wear. Ergonomic Design -- The grinder is designed with two handles for better grip. The handle is designed with diamond patterns to increase friction, prevent slipping, and provide a more comfortable grip. Application -- Suitable for the grinding of marble, granite and other stones, as well as the polishing of jade ceramics and so on.