SCOTTCHEN Zirconia Resin Fiber Sanding Grinding Discs 4-1/2”, 7/8" Arbor, for Wood, Fiberglass, Steel, Metal, Use with Angle Grinder, 36 Grit-12 Pack

["【Tool Compatibility】The 7/8\"arbor hole zirconia grinding wheel is compatible with 4-1/2\" universal angle grinders and must be used with a backing pad and nut. Installation is straightforward, ensuring stable operation without vibration.","【Warning】 Maximum safe line speed: 80 m/s. For your safety, always wear eye protection, a face shield, and a mask during operation. Never exceed the speed limit to ensure production safety.","【Aggressive 36 Grit for Heavy-Duty Removal】 The 36-grit zirconia resin fiber grinding wheel excel in aggressive Coarse grinding and rust removal as their core functions, while also delivering all-around, high-efficiency surface treatment. They handle stripping, blending, weld cleaning, deburring, rust removal, feather edging, and coating removal—covering all your grinding needs in one go to boost work efficiency.","【Versatile Applications】Engineered for heavy-duty metal grinding, it works flawlessly on tough metals like stainless steel, alloy steel, and cast iron—solving the pain points of incomplete, low-quality finishes on hard materials. It also delivers excellent results on wood and fiberglass, making it your go-to disc for every job.","【High-toughness zirconia material】Effectively reduces clogging, glazing, and abrasive particle shedding, addressing the common issues of rapid wear and jamming in standard grinding wheels, significantly extending service life."]