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 PointHeavy duty designused bythicker panelFocus on safety and durabilityCustomisedHandle Wheel OR Crank Handle fitted forHW-1 HW-0 HW-3CB-1 CB-2 CB-3 CB-4Transmission system: Chain:motorcycle-specific chain;Packaging:Drive Panel 4pcs/carton,20cartons/pallet