Drive-in Racking is also called Corridor-type racking, Composite Structure, Specialized high-intensity drive-in brackets, high-strength drive-in beam; frames are connected to top beams by bolts & nuts. The depth of the single side drive-in racking which is against the wall should not be more than 6 pallets locations, and that of double side drive-in should be less than 12 pallets positions so as to ensure the loading efficiency of forklifts and stability of racking. This type of racking is densely arrayed. Making full use of storage space: both "first in first out" and "first in late out" are available