Our 6x2 softwood untreated (CLS) Canadian Lumber Standard Timber (50mm x 150mm) also know as (6 x 2) (50x150) (CLS50150) is a lightweight lumber Ideal for Stud Work & Building Timber Frames, Or Any Project You Might Have Around The Household That You Want To Use Our Timber Supplies For. Finishing Size 38mm x 140mm. (Other Timber Supplies Available)