STRONGEST FIBER BACKING THAN OTHER PRODUCTS – 4.5" grinding wheels made of TOP LEVEL material for uncompromising performance. Good material for the lattice disk. This valve disk is made of high-density aluminium material of industrial quality and is more durable than valve disks. Built as standard for an economical grinding wheel. LONGEST LASTING - Grinder sanding disc has a long-lasting time. Safe and Effective. Durable Material. Fast polishing, and it has durable fibreglass backing and fine crystal size. This flap disc construction with fibreglass backing plate effectively absorbs vibrations without smear during usage, bring more stable & efficient grinding. FITS 4.5” ANGLE GRINDER - The angle grinding wheel can be used for universal applications, from metal or woodworking to concrete polishing or finishing to stone smoothing etc. This metal cutting wheel is ideal for buffing, deburring and light polishing on a variety of surfaces for metal or woodworking, for polishing or finishing of concrete, for smoothing or finishing of stones, for removing rust and more. MULTI-PURPOSE SANDING DISCS - The angle grinder flap disc is designed for grinding various materials. It can be used for metal or woodworking, polishing or finishing concrete, polishing or finishing stone, removing rust, mixing welds, deburring or deburring, etc and is suitable for angle grinder. PREVENT THERMAL BURNS - During the grinding process, the temperature of the general valve disc is too high, it is easy to burn the metal and cause the metal to discolour, reducing the hardness and toughness of the metal. The Geepas valve disc improves heat dissipation and prevents burns.