Features: 100% Brand new, high quality, durable. High tenacity fiber, special viscose, resistant to water and oil, long service life. Especially suitable for irregular curved surface, good heat dissipation, do not burn the workpiece, can grind out the fine sand grain. When grinding, the noise is low, the dust is little, can play an excellent effect on stainless steel metal, alloy and so on, provide a comfortable and safe operating environment for users. Used in polishing of metallurgy, machinery, light industry, wood products, furniture, metal, plastic, melamine,building materials, automobiles, leather, textile and other industries. Generally suitable for Angle Grinder. Specification: Material: Scouring Pad Diameter: 115mm/ 4.5″ Bore Diameter: 22mm/ about 7/8″ Thickness: 15mm Grit: 120#(Green with sandpaper), 180# (Green), 240#(Red with sandpaper) 320# (Red), Quantity: 8Pcs Package included: 8 x Nylon Fiber Wheel Note: Please allow 1-2mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.