K&S Round Rod 5/16" D X 12" L Stainless Steel 304 Carded,Stainless Steel 304 Carded K&S Round Rod 5/16" D X 12" L, often used in applications where corrosion resistance is critical, This austenitic chromium-nickel alloy is free machining via addition of sulfur and phosphorous,Stainless steel is a low-maintenance material, L Stainless Steel 304 Carded K&S Round Rod 5/16" D X 12".