Fenner Gearboxes Help us keep within our policy to be able to provide the solution for most applications, ERIKS extensive range of Gearboxes is second to none. The gearbox range provides for both motorised and input shaft assemblies in several configurations these being In-Line Helical "M" Series GearboxHelical Offset "F" Series GearboxHelical Worm "C" Series GearboxBevel Helical "K" Series GearboxCyclo Drive 6000 Gearbox"Power Plus" Shaft Mounted Speed Reducer Gearbox