Paper lining: Thick E paper lining can differentiate sandpaper from other markets. Not easy to tear or wear while workingHook and loop design: The popular hook and loop design can be installed quickly; coupled with the durable Nylon Sticker, you can complete the work easily and quicklyHigh-quality materials: these particles are made of calcined durable alumina particles to ensure that the most suitable particles match different grades of coarse sandLonger durability: The high-strength resin bonding system can extend the service life of sandpaper packaging; the flannel tensile strength test exceeds the standard value of 1.47NMaterial: Aluminacolor: redShape: squareSize: about 95 x 186mmGranularity: 80120180Number of holes: 8 holesSupporting technology: hook and loopSpecification tolerance: +/- 1mmNote: This sandpaper is used for dry grinding, do not use for wet grinding.Please store the sandpaper bag in a dry and ventilated place. Humidity will damage its service life.Package Contents:20 x 80 sand paper20 x 120 sand paper20 x 180 sand paperOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.