Wood BASEBOARD 1x6 - known as 6" baseboard but true 5-1/2"

1x6 - 9/16" x 5-1/2" 

Known as baseboard 6" but its really 5-1/2" Baseboard Trim & Moulding. PINE (wood), MDF and WPB. Profiles and Styles. How to Install. Rodapies y molduras. En Pino, MDF y WPB. Waterproof baseboards. Primed baseboards. Quarter- rounds and casings available.