... Type:T27(Flat) ,T29(Convex) fiberglass net backing disc, for making flap disc, to match ISO standard Types and dimensions(According to ... 2 or as requirementPacking: Firstly it is packed with plastic bag,then it will be put into durable carton box.At ... ,170mm, 178mmApplications: Used as the backing pads of Flap Disc,Mop Disc and Flap Wheel.Shipment: by 20 feet ocean container.key ...