Bench Grinding Wheels, Type 1, 6” x 3/4” Wheels 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 deburring barstock 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 alloy . Grit: 60 1423-2310 Yes - CARBON MONOXIDE