It measures .5 x 2.25 x 12-48 in, so you can plan for a very consistent pattern.
Flooring & Tiles .5 in, .5 x 2.25 x 12-48 in, 12 - 48 in, 2 1/4 in, 2 lb, 2.25" face, 23 ft², bundle, Commercial Forest Products, Craftsman, Glue, Nail, Staple, NONE, Oak, Oak, Solid Wood, Red, Smooth, Unfinished, United States
1/2″ x 2 1/4″ x 1-4’Rift/Qtr Unfinished Red Oak Flooring Craftsman-style 23 SQFT
You will find that the .5 x 2.25 x 12-48 in size works well in many home styles.