Each board in the Palo Duro Collection is individually scraped by hand by artisan craftsmen. Hand scraping brings out the inherent uniqueness of the wood. This is a rustic grade product that showcases the beautiful natural variation that is present in hickory. Characteristics include knots wormholes mineral streaks and dramatic color variation. Offered in a mixed width 3 5 6.8 inch option is for those that love variation and want their floor to be the statement piece of their home.