Dual Frame comes completely assembled and packaged with protective foam in corners for shipping. All cases have a Clear Ultra High Strength PC Lid as standard and not ABS as others. No fiddly screws and time wasted to assemble the frames. Quality welded frames with UV Matt Black Powder Coating . Every unit has a heavy duty powder coated hammertone work plate fitted on top as standard also with nyloc locking nuts. Dual rear rubber bumpers on all sliding drawers to minimise rattle in a vehicle also ensuring firmer locking. All cases are compatible with Rolacase and other leading brands . Our cases fit into other popular brands and theirs can fit into our empty frames. Features and benefits over others include each case can be individually locked, label provided on front to allow easy identification, ergonomically designed carry handle, complete with 9 dividers in small case and 3 large dividers with removable tote tray in large case, superior firm fiberglass reinforced locking clasp on front and visually styled outlook providing a true tradesman carry and storage case for all their parts. Suitable for Electricians, Plumbers, Data Cable installers, Mechanics and many others in business, office, workshop or at home.