Length: 12"Material: Aluminum Frame, ABS Plastic InsertVials: 1 Level, 1 Plumb, 1 Angle 45 Degree And 1 Slope In 1/8" IncrementsStrong Holding Magnetic Edge Allows For Hands Free Use On Ferrous Metal SurfacesV-Groove Frame Fits On Pipe And ConduitTop Read Window For Easy ViewingSurroundView Vials Reflect Ambient Light For Easy Read