Stainless steel is a low-maintenance material, often used in applications where corrosion resistance is critical. It has a high resistance to rust in many natural and man-made environments. This austenitic chromium-nickel alloy is free machining by adding sulfur and phosphorous. Brand Name: K&S Diameter: 1/4 in. Length: 12 in. Material: Stainless Steel Product Type: Unthreaded Rod Usage: Multi-Use Number in Package: 1 pk Packaging Type: Carded Shape: Round .