34"H AV Cart - Three Shelves. Ideal for transporting and holding AV equipment or other heavy items, this sturdy utility cart has an impressive maximum weight capacity of 400 lbs. Its three shelves offer a 0.25" retaining lip to secure items in place and are made of molded plastic that won't scratch, dent, rust or stain. Four 4" heavy-duty casters (two with locking brake) make this mobile cart easy to maneuver, and an ergonomic handle molded into the top shelf with integrated three-outlet UL-Listed electrical assembly offers convenient access to power.