Features:_x000D_ _x000D_ Made from top aluminum oxide grain, durable and anti-static, provides a longer lasting grit. _x000D_ Pre-punched with 6 holes for uniform dust extraction, hook and loop design. _x000D_ The utility model has the advantages of convenient use, simple operation and low cost. _x000D_ Works well on metal and non-metallic materials of various complex surface rust, paint, deburring, solder joints sanding and polishing. _x000D_ Terrific for general polishing and has the ability to work with semi-rough finishes to refine them to a smooth luster. _x000D_ _x000D_ Specification:_x000D_ Material: Alumina_x000D_ Weight:170g/6oz_x000D_ Size: 90*90mm/3.5*3.5inch_x000D_ Shape: Triangular _x000D_ Quantity: 50pcs_x000D_ Color: As pictures shown_x000D_ _x000D_ Package list:_x000D_ 10 * Sanding Paper (80 Grit)_x000D_ 10 * Sanding Paper (120 Grit)_x000D_ 10 * Sanding Paper (180 Grit)_x000D_ 10 * Sanding Paper (240 Grit)_x000D_ 10 * Sanding Paper (320 Grit)_x000D_ _x000D_ Note:_x000D_ 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.