Cobalt Chains transport case chains are available in several steel alloys for heavy duty applications and five polymeric materials for medium and lighter-duty use. These chains are widely used for handling cases or crates in bottle washing plants. They are also used for moving kegs in breweries and transporting gas bottles for cleaning and filling. John King is the best choice in North American for these multi-flexing chains. The company has over fifty years of experience and a wide selection of in-stock chains and sprockets. Cobalt Chains and complimentary sprockets are expertly engineered for high-strength and long-lasting durability. This is achieved by using the best design based on experience and selecting premium materials for the construction.