Quickly and easily create an overhead storage unit in your garage, basement, shed, or wherever else desired. This 60cm wide unit can accomodate up to 3.7m of board length. With only eight ceiling attachment points for the entire rack of shelves, the only tools required are a drill, 0.5cm drill bit, and a screwdriver (or 2.5cm - 0.3cm 6 point hex socket as shown in the above photo/s). The storage unit includes four 60cm wide X 41cm tall Shelf Hangers, eight 0.8cm lag eye screws, and 8 hanger clips w/ mounting screws. Please note that shelf boards are not included. Home centre stores such as Lowes and Home Depot will rip plywood shelves at minimal or no charge. DON'T FORGET to visit our Amazon store (select "Quick-Shelf" written near top of page in blue) for other sizes and A la carte items.