Multi-Height AV Cart - 3 Shelf, Cabinet - Blk Leg. Accommodate your AV storage and transporting needs with this multipurpose, multi-height cart. Three shelves are made from durable thermoplastic resin that won't chip, warp, scratch, rust or peel, and they have a textured surface as well as a .25" retaining lip to help secure items. The cart includes multiple leg sets to construct height options from 24.5" to 42" as well as a durable, 20-gauge steel locking storage cabinet. A push handle molded into the top shelf provides greater control while four heavy-duty casters provide smooth mobility across a variety of surfaces and two locking brakes let you quickly stabilize the cart.