MicroSmart FC6A
FC6A-R161 IDEC 16-pt 24 VDC Relay Output Expansion Module MicroSmart PLC Series
Super Lube Multi-Purpose Synthetic Grease reduces wear on moving parts in industrial machines.
FC6A-N08B1 IDEC 8-pt 24VDC Input Expansion Module Screw MicroSmart PLC Series
A nice detail is the metal spring that provides tension.