A-CL2040IMP-AI 2040 Extended Pitch Conn. Link (Import)One New Aftermarket Replacement 2040 Extended Pitch Connector Link (Import) for A2040 Roller Chain This connector link (also called a master link) is used to join the ends of ANSI #2040 double pitch extended pitch roller chain. It secures with a spring clip and is compatible with any standard A2040 roller chain used in agricultural equipment, conveyors, and industrial drive systems. The #2040 double pitch chain features a 1 inch pitch and is widely