Diamond Shape 5 Inch 400 Grit Sanding Disc, Revolutional Patent 8 Hole Hook and Loop Discs for Random Disc Sanders & Orbital 50 Pack

【DIAMOND SHAPE SURFACE】 - the revolutionary design increases the speed of discharge of wear debris during the sanding process. excellent anti-blocking and heat dissipation functions greatly prolong the disc life; 【QUALITY J-CLOTH BACKING】 - compare with other brands C-paper backing discs, toolant heavy duty j-cloth backing increases 9 times tear resistance strength; 【HIGH DENSITY FLOCKING BACKING】 - unlike other brands (95g/㎡), our hook and loop flocking are (141g/㎡) which ensures the disc stays on the sander tightly; 【PREMIUM ALUMINUM OXIDE MATERIALS】 - the combination of the sawtooth structure and the sand surface brings outstanding sharpness and cutting efficiency. What's more, our special "Interval coating" technology presents the aesthetics of regular diamond grids; 【WIDE APPLICATIONS】 - great for construction, carpentry, auto body repair project, automotive polishing, and home improvement projects, suitable for wood, metal, plastic, drywall, fiberglass porcelain, art, and craft as well as corner cleaning and polishing;