All-purpose grinding disc grinding disc with very good removal rate, suitable for grinding both edges and surfaces. Aggressive composition for faster material removal. grit for efficient material removal.Ideal for high operating speeds and aggressive grinding action used by professional metal fabrication, auto shops, maintenance repair, construction. 3 inch Grinding Wheel Innovative design for reduced noise, grinder grinding wheels are designed for grinding steel and stainless steel for added versatility. The 3inch x 3/8inch arbor angle grinding wheel for 3inch power angle grinders, air cut off tool and mini angle grinder cordless die grinder. Thickened Steel Ring: increase the clamping strength, firm and not easy to fall off. 3" x 11/64" x 3/8" (75mm x 4 mm x 10mm) Packaging: A pack of 10 grinding wheels. 3 inches in diameter 0.16 inches thick 3/8 inches arbor EXTREME DURABILITY AND VALUE Grinding of metal materials, machining of parts, tubes, grinding of workpieces after welding, etc.The depressed center grinding wheel grinding discs is perfectfor grinding, metal cutting edge grinding, rust removal, deburring, edge chamfering, welding grinding, stripping resin.