Accu Bend Level, Strong, Extruded Aluminum Frame Features A Convenient Built In Hang Hole, Top Read Level Window Simplifies Viewing In Tight Areas, Handy V Grooved Edge For Pipe & Conduit Work, Precision Edges For Accurate Readings, Large, Highly Visible Vials Plumb, Level & 45 Degree. Powerful Rare Earth Magnets For 5 Times The Strength, Laser Etched Rule & Markings For High Visibility Readings, Ensures Precise 90 Degree Bend, Eliminates Dog Legs In Conduit Bends, 3 Points Of Contact For Superior Hold To Conduit, Relaxed V Groove Accepts Up To 1" Conduit, Solid Aluminum Frame For Extreme Durability.