Firepower Aluminum Oxide 0.5-in 80-Grit Grinding WheelWheels are individually precision balanced, trued and faced for smooth operation Each wheel is individually boxed so they stay clean and undamaged until use Designed for versatile off hand grinding in debarring bar Stock after cutting and touching up, reconditioning and sharpening tools where precision grinding is not required Grinding is done on the wheel periphery only, aluminum oxide wheel grinds metal of high tensile strength, like steel and steel