AICHINIE® Rack Drive transmission & crank system used for: Compactor drive panel Mobile shelving Mobile filing Mobile filing system Mobile shelving system Compactor Mobile cabinet Featured PointFocus on safety and durabilityCustomisedHandle: PU with steel rib crank handle, the structure is ratchet automatically linked, it can stop at the vertical position after the closure .Transmission system: Chain:motorcycle-specific chain;Packaging:Hand Wheel 10pcs/carton,18 cartons/palletDrive Panel 4pcs/carton,20 cartons/pallet