Experience the exceptional performance of the Blaze AVOS F980 CA Coarse Grit Speed-Lok Fastener Fiber Locking See-Thru Disc, designed by Norton Abrasives for demanding applications. With a diameter of 4-1/2 inches and a grit size of 36, this extra coarse disc utilizes premium ceramic alumina for superior cutting efficiency, ensuring a longer lifespan by reducing heat generation by up to 30%. The innovative AVOS patented hole design allows for surface visibility while the Speed-Lok attachment system facilitates quick, tool-free disc changes, making it an ideal choice for metal fabrication, collision repair, and various industrial tasks. Whether you're working with stainless steel, titanium, or other tough materials, this disc's self-lubricating grinding aid treatment guarantees a cooler cut, enhancing your productivity and results.