Constructed of 1/2" black phenolic haircell birch plywood, aluminum extruded framework using double angle extrusion, 8x heavy duty ball corners, 4x large heavy duty recessed handles, 2x large heavy duty recessed latches, 2x large heavy duty recessed lid stays, piano hinge, black smooth phenolic interior finishing, 3/4" baltic birch plywood finished in black DuraTex for casterboard, 4x 4" blue casters