If you're looking for the strongest, most heavy-duty book carts for your library or institution, then search no further. The Book Truck Strongmen are ready and able to assist you with your needs. Industrial strength, heavy-duty, all welded construction. Perfect for stocking shelves and mobile sales displays. Carts are 18"W double faced with a shelf depth of 7-1/2" and have a distance of 12" between each shelf. One of the world's finest book carts, this unit comes equipped with four 37" double-faced shelves. Powder coated texture finish. Unit moves easily on all four 5" bearing casters. Wt. 120 lbs. Ships by truck.