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. The thickened cup makes it more stable and stronger while working.

4. TWISTED KNOT CUP BRUSH is normally used for processing large surface of metal, such as polishing weld, rust removing and deburringwith advantage of time and effort saving.