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. Do not use where contact may be made with live electrical circuits. This sturdy and versatile 2-step folding stool from Cosco is a must-have for any commercial or industrial setting.