Our premium #120 stainless steel connecting link is made from superior 304-grade stainless alloys for improved lifespan, performance, and usability. Additionally, this 120 stainless steel connecting link is made to ANSI B29.1 Standards dimensionally for direct interchangeability with other brands. 120 stainless steel connecting links are also commonly known as 120 stainless steel master links and are specifically designed to operate with 120 stainless steel roller chains. Connecting links are designed to connect two sections of the roller chain. For additional information or to get a quote on our premium #120 stainless steel connecting links, contact our customer service team, and we will gladly assist you!