C.S. Osborne Grommet Setting Die For Stainless Steel Grommets. Manufactured on sophisticated CNC machines that produce high precision parts that properly mate the grommet & washer every time. Most importantly, these setting dies are engineered from a high carbon steel tough enough to set stainless steel grommets. Made in USA. Sets stainless steel (SS) grommets For grommet size 2 C.S. Osborne & Co. is a manufacturer of specialized hand tools designed exclusively for upholsterers, auto trimmers, awning and canvas workers, furniture makers and other professionals in related trades. For generations, the family run business has always taken great pride in engineering the highest quality tools and offering our products both here in the United States and abroad. C.S. Osborne produces the most extensive line of custom tools available -and we guarantee that our tools will deliver excellent quality and superior performance.