Lift your mobile stages to new heights with these incredibly convenient collapsible risers legs. RK Stage Risers are available in four heights to fit 4'x 4' platforms: 8", 16", 24" and 32", and three heights to fit the 4' x 1' step platforms: 8", 16" and 24". RK stage risers made of certificated aluminum 6082-T6, high quality with strong loading capacity, durable and absolutely environmental friendly.