Yellow-clad, 1/4″x6′ tape with polished chrome case. Spring action returns the blade to the case. Zero falls in the same place on each side of the blade. Conversion from diameter to circumference is made simply by turning the blade.
- Model W606P shows a diameter in inches to 64ths.
- Model W606PD shows a diameter in inches to 100ths.
- Model W606PM shows a diameter in metric measurement to millimeters.