Alumina Nylon Grinding Wheel,abrasive products are mainly used on different metal surface finish ... -metal substance Non-woven polish wheelMade of Silicon Carbide, imported resin and polishing fiber and special glue, they are durable to ... surface finish and non-metal substance, such as wood, plastic, glass, stone, etc.Specification:6×1 green150×25 green5P6×2 green150 ...