This new Lucano 3-Step W (wide) Model is both European and American Standards Certified (both EN131 & ANSI 1 rated). The distance from ground to first step and the second step to the top step are even. The grooved Steps are deeper and stool frame are wider to take more load bearing. The weight capacity is 300lbs. On the normal 3-step stool the weight capacity is 225lbs.