Alumistair Aluminum Stairway provides a lightweight and strong stairway solution for docks, seawalls, and transitions from deck to deck or deck to waterfront access. Constructed from corrosion-resistant marine grade aluminum, these stairs will add value and provide access and enjoyment for many years to come. Alumistair aluminum marine stairs only take 2 people to carry and install. Durable, non-rotting design eliminates time-consuming maintenance and delivers safe, long-term waterfront access. Standard Step Version: 29-1/4" tread width, 34-1/2" outside width. Wide Step Version (AS8): 34" tread width, 36" outside width. Key features include non-skid tread depth of 7", riser height 8-1/2", 1-1/4" OD round tube handrails with mid-rail for added safety, includes top-side mounting stair bracket, climb angle 45° (adjustable range 35°–55° available, contact support for details). Alumistair Aluminum Stairway provides a lightweight and strong stairway solution for docks, seawalls, and deck transitions to waterfront, built from durable, corrosion-resistant marine-grade aluminum.