1x6-8' Tounge and Groove Pre-Finished Eastern Pine For Easy Walls & Ceiling Installation.
Nickel Gap T&G on one side
Pattern WP4 on the other side (WP4 is a "V" Pattern when the boards are put together).

This photo shows the Nickel Gap.

This product is finished on both sides so either side can be used.
Square ends, this product is not end matched.
Eastern White Pine has a natural aging process, allowing your wood to grow more beautiful over time. The wood will slightly yellow, or turn an amber color, especially around the knots and darker grain.