Quick flip drawer design allows easy access to small parts and will not flip open when moving the storage unit Flip-Out drawer size = 2.3"W x 2.2"D x 2.5"H Includes a specially designed key-shaped hole for handing the 8 compartment Flip-Out unit 4 sided dovetail feature allows 8 compartment Flip Out units to be ganged together horizontally or vertically Unique drawer labeling allows barcode technology to be used for inventory control and location identification