Bellawood Prefinished Solid Wood Ash 5/8 in. Thick x 11.5 in. Wide x 48 in. Length Retrofit Stair Tread, $119.99 USD/Box, LL Flooring (Lumber Liquidators)

These treads are designed to be installed atop existing steps. The Bellawood Prefinished Solid Wood Ash stair treads measure 5/8 inches thick, 11.5 inches wide, and 48 inches long, available for $119.99 per box at LL Flooring (Lumber Liquidators).