Millipacs® 2mm Hard Metric Accessories Amphenol FCI Millipacs® 2mm Hard Metric Accessories are compatible with the Millipacs 2mm Hard Metric connectors and receptacles. These accessories increase the usability and flexibility of the connector systems. The Amphenol FCI MIllipacs Accessories line-up includes 5- and 8-row board-to-board and cable-to-board shrouds, guiding pins, mating right-angle sockets, coding keys, and power contacts.