Featuring a bold, squared modern profile, this starting tread creates a grand entrance while providing a smooth transition from the floor to the staircase. Starting step for the bottom of a staircase Returned ends on both sides for a symmetrical, finished look, ideal for open staircases Modern squared nosing profile Crafted from high quality wood Ready to stain or finish Durable construction for long-lasting performance Dimensions: Riser height: 7-3/4" Tread thickness: 1-1/32" Tread size: 11-1/4" 6-1/4" radius bullnose 48" size = 68" overall 54" size = 74" overall 60" size = 80" overall 72" size = 92" overall Notes: Our stair treads are constructed from solid wood staves bonded together for strength and stability. This tread construction is the industry standard, offering significantly greater durability and resistance to warping compared to one-piece treads.