#41 Stainless Steel Connecting Link - 5 Pack Cold-forged Solid Construction For Increased Corrosion Resistance and Smooth Running 304 Grade Stainless Steel Making it Have The Ability to Function in Harsh Climates Very High Resistance of Corrosion Made With Solid Components and Shot Peened for Added Fatigue strength Fully Meets & Exceeds All ANSI B29.1 Standards