Our 12B hollow pin connecting link is precision manufactured for optimal fitment with 12BHP hollow pin chains. We equipped this 12B hollow pin connecting link with high-hold circle clips for maximum retainage and prevention of link failure. Additionally, 12B hollow pin connecting links are referred to as 12B hollow pin master links and connect two pieces of chain. For more information or to get a quote on our premium 12B hollow pin connecting link, contact our customer support team, and we will gladly assist you!