Length: 10"Vials: 1 Level, 1 Plumb, 1 Angle FinderRare-Earth Magnets For The Strongest Grip To Any Ferrous Metal SurfaceFine Milled Surface With V-Groove For Accurate And Easy Placement On Pipes And Curved SurfacesFitted Horizontal Vial For Direct View Of BubbleUnbreakable Acrylic Shock-Proof VialsAdjustable Angle Finder To Easily Find The Degree Of Any SlopeAdvanced Impact Resistance End Caps