Stock picking rolling ladders include sturdy 24" x 24" shelves that hold 50 lbs. each. These stock picker ladders feature a large, slip-resistant 24" x 20" top step and 30"H handrails. Stock Picking Rolling Ladders move easily on 4" polypropylene casters (2 swivel, 2 rigid). Powder coat finish (Gray Enamel on 11-step model). Fully welded, assembled. Purchase Cal-OSHA Handrail Kit (sold separately) for stock picking rolling ladders to comply with strict California OSHA requirements. Please specify at time of order.