This 304 stainless steel roller chain is more corrosion resistant than treated steel roller chain.

Connecting links are also known as master links. They're used to join the ends of a chain length. The side plate is easy to remove for attaching to a chain. Adding-and-connecting links are also known as half links and offset links. A combination of connecting and adding links, they can join chain that requires an odd number of links. For trade size 25, an additional connecting link is required to join them to chain.

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