flexible emery cloth wheel of 46 piecesStructure: high temperature calcination emery cloth,Website: , environmental protection plastic cover, bonding agentusage: the grinding, polishing, deburring, oxide layer, derusting of different workpieces which are made in metal materials. such as automobile production, motorcycle production, anti-theft doors and windows, home appliance or large fram of commercial generator, all kinds of indoor outdoor furniture, aerospace, marine, hydropower equipment and boiler production.characteristics: safety, environmental protection, high temperature resistance, corrosion resistance, chemical stability, high strength, good toughness, good self-sharpening,above96%efficiency.packing specifications: 300pieces one case