Bellawood Prefinished Solid Wood White Oak 5/8 in. Thick x 11.5 in. Wide x 36 in. Length Retrofit Stair Tread, $69.99 USD/Box, LL Flooring (Lumber Liquidators)

Designed for installation atop existing steps, the Bellawood Prefinished Solid Wood White Oak stair treads measure 5/8 inches thick, 11.5 inches wide, and 36 inches in length. Each box is priced at $69.99 USD and is available at LL Flooring (Lumber Liquidators).