Metal Steps:The frame is soft metal steel,painted aluminum color,1“x1“x1/8“ angle,it will hold up to 275 lbs.each riser is 7 3/4“ H.Our economy steps are 14“ top,32“ wide,2 step 15.5” H, 3 step 23.1/8“ H. 4 step is 31“ H. for a 5 step or taller we recomend 44” wide they are more stable and safe.  Rails:Our Rails are made out of aluminum 1”x1” round corners pre-hole with hardware included,The top is a channel 1 3/4” wide with 1/2” legs 3/4” overall with ribs for decoration as shown in a photo below,Code Rails have vertical bars 3 7/8“ from each other. Economy Step 2 step H. $ 44.50