Ergonomic Adjustable Height Shelf Truck (w/ Lips)Little Giant Adjustable Height Ergonomic Shelf Truck with Retaining Lip Handle is loped backward for comfort. Top Deck height is adjustable between 24" up to 33" to maximize eronomics of bending and lifting. Bottom shelf has 1 1 2" retaining lip. Top shelf available with lip or flush edge. Clearance between shelves is from 15" to 23". Rolls easily on 5" non marking polyurethane wheels, 2 swivel casters with wheels brakes and 2 rigid casters 1,200 lbs.