8M-26', Magnetic Tape Measure, Heavy Duty, Using Nylon Blade Protection & A 5 Point Reinforced Frame, Up To 10 Times Longer Blade Life By Resisting Contamination Wear & Increasing Protection When Dropped, Magnetic Tape Features A New To World Dual Magnets, Which Securely Attaches To EMT Sticks From Below & Steel Studs In Front, An Additional Innovative Feature Is The Finger Stop, Which Protects Your Finger When The Blade Retracts.