Oil Gauging Tape Measures Double Duty Oil Gauging Tape Measure SAE/Metric Blade Length 100 ft Blade Width 1/2 in Graduation Type in /ft/mm/cm Graduations Bottom Side MM Top Side in Ft/In to 8ths Blade Material Steel Tip Style Swivel Snap Case Type Open Case Material Steel and Plastic with Grounding Strap Blade Color Chrome with Black Markings Case Color Red/Chrome Blade Coating Nickel and Chrome Electroplating Handle Type Folding Plastic