Double-End Bullnose Starting Step 54" : C-8015-54Part Number: C 8015 54 Available in Red Oak, Hard Maple and White Oak 1 thick top tread Cove, shoe mouldings included Assembly is required Overall Height: 8 Tread Depth: 11 , and 12 on the curved ends Overall Length: 74 The 8015 54 step is recommended for stairs with a finished width of 54, and requires two curved finished ends.