... 2, non slip standing platfor 3,high safety top rail Step laddersSpecification Model#RUNGSA (cm)B (cm)C (cm)D (cm ... .512252.55.3221×12 ×52.5 (1pc/packageFeaturesUnilaterally ascendable aluminum step ladder with high safety top rail and large, non-slip ... standing platformMultiple riveted, robust step/rail jointsNon-slip, large dimensioned foot caps ensure safe foothold ...