This Stanley 4 piece pack contains the following levels: 0-43-609: FatMax Torpedo Level 25cm.0-43-624: FatMax Pro Box Beam Spirit Level 60cm.0-43-648: FatMax Pro Box Beam Spirit Level 120cm.0-43-672: FatMax Pro Box Beam Spirit Level 180cm. The Stanley FatMax™ Pro levels have solid-block acrylic vials to provide an accuracy of 0.5mm/m in eight orientations. In addition, every FatMax Pro level comes with a lifetime accuracy warranty. The levels have a unique reinforced box-beam construction. The lightweight aluminium body and sturdy bi-material handgrips make handling easy and the precision engineered, dual-machined levelling surfaces ensure maximum accuracy.