Hatori 13238 4-1/2-Inch by 0.045-Inch by 7/8-Inch Arbor Metal and Stainless Cutting Disc Wheel 20-pack Brand New Premium Quality,delivery from USA Size: 4-1/2"x0.045"x7/8"(115mmx1.2mmx22.2mm). Ultra thin wheel design for fast burr free cutting Premium aluminum oxide grain and reinforced center for long life and high performance High grain concentration for aggressive grinding action Extra strong fibreglass sheets ensure durability and safety