• Size: Red and black color, outer diameter of 100 mm, hole diameter of 16 mm, total thickness of 12 mm, hardness 9P. • Material: Made of nylon fiber, these polishing wheels are durable, wear-resistant, and have good elasticity. They offer high grinding efficiency and a long service life. • Features: They use advanced grinding technology, providing good elasticity and high grinding efficiency. They offer an excellent polishing effect without easily scratching the metal surface. A rotation speed below 1000 rpm is recommended. • Application: Suitable for polishing stainless steel, copper, iron, aluminum, and other metal products, as well as marble, ceramic glass, furniture, and car wax. • Notice: Ensure that the mounting opening is consistent with the wool wheel opening. Wear protective glasses and gloves during work.