Good-quality Abrasive Material: These sanding discs are made of premium alumina abrasive pads with specialized heat treatment, delivering exceptional polishing performance. They feature sharp abrasive grains, excellent wear resistance, long-lasting durability and anti-static properties, making them an ideal choice for all sanding and polishing projects.10 Assorted Grit Sizes: This set includes 10 standard grit options ranging from coarse to fine: 80/100/180/240/600/800/1000/1200/2000/3000 grit, with 10 pieces per grit, totaling 100 pieces. The full range of grits meets all grinding, sanding and finishing requirements, and the discs are compatible with electric power tools, pneumatic tools and bench grinders.Uniform & Smooth Sanding Performance: Crafted with advanced sand grain bonding technology, the discs offer a tight, secure fit on tool pads and effectively prevent abrasive fallout during use. They provide a fine, scratch-free cutting surface, and the highly active abrasive delivers an ultra-smooth, clean finish, especially ideal for sanding large curved surfaces and intricate profiles.Wide Range of Applications: These versatile sanding discs are widely used across furniture, automotive, yacht and other manufacturing industries. They are perfect for grinding, rust removal, paint stripping, deburring and weld sanding on various metal and non-metal materials with complex profiles and surfaces.