This premium 28B-2 connecting link is also called a 28B-2 master link and is designed to connect two ends of a 28B-2 chain. This tier-one link dimensionally conforms to ISO and BS Standards for interchangeability and utilizes high-precision heat-treated and shot-peened components for maximum lifespan and performance. 28B-2 connecting links are cotter key type. For more information or to get a quote, contact our customer service team, and we will gladly assist you!