The MA-TUT61720W is utility trunk case, exterior 6” x 17” x 20” with wheels. Store all your gear and accessories in one place. Features caster wheels for easy transport. These utility cases come with durable handles, latches and heavy ball corners. The 9mm laminated plywood for that super tough construction. 3/8” plywood that's covered with a durable ABS plastic exterior laminate. Full-length steel piano hinge, tapered aluminum edging, steel ball corners, 2x steel recessed handles with rubber hand grips and is fitted with steel recessed butterfly latches. 6 sits on heavy-duty locking 3” casters and each case has steel recessed caster cups on lid for case stacking. The interior of the case is lined with thick foam.