... grinding disc,radial flap disc Grit: P40-P400 Size: 100mm,115mm,125mm,150mm,178mm, Material: Aluminum oxide Flexible grinding disc,radial flap disc Diameter ... X Hole sizeGrit No. 364060801001201501802220 FLAP DISCS100MM/4.0"X16MM 115MM/4.5"X22MM 125MM/5.0" ... iron compounds.Exhibition booth:Production line: Flexible grinding disc,radial flap disc