Convertible Exercise Stairs consist of two sections which lock securely together and CANNOT be unfastened accidentally. Stairs may be easily converted from a straight line along a wall to a right angle. Anti-slip safety treads on each step and platform. Furnished with hardwood handrails at heights of 18-1/2", 27" and 35" hight to accommodate both children and adults. Each stair section has vertical supports of angle iron, with sprayed black finish. All bolts and nuts are plated. Overall height 54". Height to platform 24". Long section 5'10". 30" wide, 4 and 8 steps. 3" x 10" and 6" x 10" risers. 500 lb weight capacity.