This stanley 4 piece pack contains the following levels 0 43 609 fat max torpedo level 25cm0 43 624 fat max pro box beam spirit level 60cm0 43 648 fat max pro box beam spirit level 120cm0 43 672 fat max pro box beam spirit level 180cm the stanley fat max pro levels have solid block acrylic vials to provide an accuracy of 05mmm in eight orientations in addition every fat max pro level comes with a lifetime accuracy warranty the levels have a unique reinforced box beam construction the lightweigh