Our S4S Douglas Fir lumber is clear of knots with a tight veal grain pattern, stable, strong and beautiful! Dimensions: 1/2x3, 1/2x4, 1/2x5, 1/2x6, 1/2x8, 1x2, 1x3, 1x4, 1x5, 1x6, 1x8, 1x10, 1x12, 5/4x4, 5/4x5, 5/4x6, 5/4x8, 5/4x10, 5/4x12, 2x3, 2x4, 2x6, 2x8, 2x10, 2x12.