Cosco Commercial 3-Step Folding Stool, 300lb Cap, 20 1/2w x 32 5/8d x 52 1/8h, Gray 11839GGO Large 14 1/2w x 12 1/4d top platform step. Steps have nonskid treads. Folds for easy storage. Durable, tubular steel frame forms handrail and knee brace. WARNING: Metal ladders conduct electricity.