Offering a next generation P-graded ceramic abrasive grain, this Blaze® R920 coarse grit steel shank mini flap wheel can handle demanding metal fabrication and welding jobs while delivering fast, burn-free cuts. For added durability, the wheel features flaps made from a heavy cotton/polyester blend, ensuring excellent resistance to wear and outstanding conformability. This wheel stays cool during cutting, even when you grind challenging materials, thanks to an advanced self-lubricating grain treatment that minimizes heat.