Fiber disc material:aluminum oxide Diameter:100mm,115mm,125mm,150mm,180mm,230mm Grit:40#~400# best quality Fiber discmaterial:aluminum oxideDiameter:100mm,115mm,125mm,150mm,180mm,230mmGrit:40#~400# Characters: The fiber discs have high surface removal rate, long service life and optimum surface finishing. They are widely used on a diverse range of machines and with a variety of hole patterns. ...