Planed and finished with eased edged to precise tolerances for accurate studwork and framing. Regularised (consistent dimensions) by planing all round with 'eased' (rounded) corners for comfortable handling. CLS finishes 12mm off nominal thickness and 10 to 12mm off nominal width. Features Manufactured from high quality imported Whitewood (Spruce). All of our softwoods are ethically and sustainably sourced from FSC or PEFC certified forests and sawmills. Properties Length: 4.8m. Nominal thickness: 50mm. Nominal width: 75mm. Finish: planed smooth. Grade: CLS. Profile: rounded corners. Kiln dried.