1.Adopt diameter of 0.5mm high quality steel wire. Each knot is constituted by 48 steel wires.

2.There are few spaces between each knot which could improve the efficiency while grinding.

3.It is suitable for the internal cleaning of steel pipe and mold. The brush will be opened when working, which can effectively clean the workpiece surface.

4.Can be used for cleaning pieces with small Angle weld and burr.