4inch Fiber Backing Abrasive Disc for metal grinding

4inch fiber disc Abrasive Fiber Disc Grain: Aluminum Oxide, Silicon CarbideBase: fiber paper 0.8mm,0.6mmBond: Pheonlic ResinApplication: for removing dust,paint, deburring,polishing welding seams.Port of delivery : Ningbo ,Shanghai ,Shenzhen port in China Packing :100pcs shrink/box,2000pcs/carton. Also can according client's requirement to packing the goodsShipping way: By courier as DHL, FEDEX, UPS, EMS or by sea  4inch fiber wheellt combines three operations in one product-Cutting Grinding and FinishingRun the grinder at the highest possible speed marked on the wheelHigher power of the grinder, higher efficiencyMade of special sharp abrasive materialsLong service lifeHigh security and universal application