Our finger-joint pine door jambs arrive factory-primed and ready for your final coat. Smooth, stable, and straight, finger-jointed pine resists warping and holds hinges and hardware securely — for a frame that finishes flawlessly. Material: Finger-joint pine — factory primed, ready to paint Depths: 4-5/8" for 2×4 walls and 6-5/8" for 2×6 walls — the right depth for a flush fit Board size: each board is 81-1/8" long × 5/8" thick, in your selected 4-5/8" or 6-5/8" width Stable and straight — finger-jointing resists warping and twisting Holds hinges and hardware securely Pairs with any of our interior doors Wholesale-direct pricing Building a door frame from these boards? How to Assemble Your Door Frame shows how the two legs and the header go together.