Drive-in Pallet Rack Racking Shelf Shelves 75*63,90*67,100* ... *50,B120*50,B140*50,B160*50 Drive-in Pallet Rack Racking Shelf Shelves: The system is designed for standard ... and is not possible to fit different pallet enty sizes.,Drive-in pallet racking provide high density storage with limited ... rails cantilevered froom the side of upright at each pallet level.handing trck can dive into block between any ...