1,Locking gear system without tube 2,mild steel,zinc plated,any material and treatment can be made according to customers' ask 1, Locking gear system,with cam,keeper,brackets, handle, etc.without tube (tube style Dia22*2.5, we can also supply)2, mild steel3, zinc plated4, good quality and good price5, packed by export carton and pallet Door locking gear system