These Brushes are Made up of high temper nylon 66 staple, superior abrasive, functional additives and special glue. They are multi layers net structure, no rotation direction limit, easy to be used. It's openning structure can be anti high temperature, avoid color's change and deformation of workpieces, and have long duration. They are used to remove burr, smooth the edge and angle of workpiece, decorate special patterns, without using grinding liquid. No burn on workpiece surface, no deformation on workpieces. The continue refreshed surface provide stable finishes, having high effency and durable for use. Special design for uneven or irregular surfaces of workpiece, no blockage under high speed polishing machine(3000/min), no dark points, good brightness, long line brushes finishes, excellent grinding effect, durable for use, workpiece's surface can keep for a standard. Call us for more details.