Single-End Bullnose Starting Step 54" : C-8010-54Part Number: C 8010 54 Available in Red Oak, Hard Maple and White Oak 1 thick top tread, reversible for left or right side Cove, shoe mouldings included Assembly is required Overall Height: 8 Tread Depth: 11 , and 12 on the curved end Overall Length: 64 3 8 The 8010 54 step is recommended for stairs with a finished width of 54 or less, and only requires one curved finished end.