Stanley FatMax I Beam Level 120cm STA143555 Stanley FatMax I Beam Level has solid-block vials to provide an accuracy of 0.5mm/m in eight orientations. Plus every FatMax level comes with a lifetime accuracy warranty.It is 2 x stronger than other Stanley levels thanks to its unique reinforced box-beam construction.Lightweight body and rule scale for ease of marking out, also a handgrip make handling easy and the precision engineered, dual-machined levelling surfaces ensure maximum accuracy.The 3 vials are magnified for improved all round visibility with shock absorbing end caps protect the level even if it"s dropped.Length 1200mm (48 in) STA143555