The 20BDC double-capacity connecting link is also called a 20B double-capacity master link. Connecting links connect two sections of the chain together or make swift repairs. Our premium 20B double-capacity connecting links interchange with other brands and are made from top-grade materials with specific manufacturing processes to improve strength, durability, and performance. For more information or to get as quote on our premium 20B double-capacity connecting links contact our customer support team, and we will be happy to assist you!