net cover flap wheelpartical size:40 50 60 80 100 120 150 240 320drag cover diameter:92,Website:http://www.chinaabrasivegrinding.com, 4.2inches,5inches,6inches,7inchesdrag cover materials:92-7,92-4tin,net coverusage: 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:4inches :300pieces one case4.5inches :240pieces one case5inches :160pieces one case6inches :120pieces one case7inches :120pieces one case