Spiral staircase with hand rail for a boat's transom to reach the swim grid/swim deck. Ideal for elderly or pet access to the swim grid/deck. Attaches by means of two bolted stands through the swim grid and two anchor points into the transom. White anodized aluminum and steel. Very strong and sturdy. Four steps. Steps are 24" wide, top step is at a height of 32", top of center post and hand rail is 52" from base. All bolts and screws included. In excellent condition.