Used as the backing pads of Flap Disc,Mop Disc and Flap Wheel. Product ... )mm,115(117)mm,140mm,170mm, 178mmApplications: Used as the backing pads of Flap Disc,Mop Disc and Flap Wheel.Shipment ... is carton boxes directly into container without pallets. Fiberglass Net Backing Plate / flap disc