Diameter Tape Case Material Stainless Steel Tape Measure Type Diameter Tape Measure Accuracy +/- 0.001 in Blade Length 12 5/8 in Diameter Measured - Minimum 2 in Diameter Measured - Maximum 12 in Blade Type Single-Sided Blade Return Type Manual Case Type Open Lock Type Non-Locking System of Measurement SAE/Diameter Blade Width 1/2 in Tip Style Knob Blade Material Steel Graduation Units Inches Millimeters Graduation Color Black Orientation Horizontal Numeric Format Decimal