Classification opinions
… boards used as structural studs in the framing of a house, consisting of rectangular pieces of solid wood measuring … cm (1 1/2 inches ) thick and 8.25 cm (3 1/4 inches) wide, precision end trimmed in lengths of 243.84 cm to 365.76 cm … edges and unworked ends. There are drilled holes, 2.54 cm (one inch) in diameter, centred about 40.64 cm (16 inches) …