The stabila 196 2 levels are made from extra strong light metal they have rectangular profile and an extra strong ribbed frame with rubberised hand holds their removable end caps incorporate anti slip wall pads which allow the level to be held firmly against a wall with one hand without slipping each level has 2 vertical vials and 1 horizontal vial the levels have 2 milled measuring surfaces except for the 180cm levels which do not have any milled surfaces measurement accuracy in normal position