- Designed for Measuring Diameters of Pipe, Cable, Tire, and So On
- Polished Chrome Case
- Zero Falls in the Same Place on Each Side of the Blade
- Conversion From Diameter to Circumference, Simply Turn the Blade
- Easy-To-Read Bold Graduations on Yellow Background
- Spring Action Returns Blade to Case
- Shows Diameter Inches to Millimeters
- Blade Style: A20
