96 2 40 spirit level 3 vial 15225 40cm stabila 17379, stabila 96 2 extra strong double plumb ribbed box section levels are made from an extra strong light metal rectangular profile with gripping ridges and removable end caps made from two materials'. '.strtoupper('t')he removable end caps are also equipped with well proven patented anti slip stops'. '.strtoupper('h')as 2 vertical vials, 1 horizontal vial, and 2 milled measuring surfaces on levels up to 120cm'. '.strtoupper('l')evels over 120cm do not have milled surfaces'. '.strtoupper('m')easurement accuracy in normal position 0.029deg 0.5 mm m'. '.strtoupper('o')verhead measurement 0.043deg 0.75 mm m.the stabila 96 2 level pack contains the following 1 x 96 2 60 spirit level 3 vial 15226 60cm'. '.strtoupper('1') x 96 2 120 spirit level 3 vial 15229 120cm'. '.strtoupper('1') x 96 2 180 spirit level 3 vial 15230 180cm'. '.strtoupper('s')tabila 17379 96 2 level pack 60cm 120cm and 180cm