The Crescent Lufkin® W606 EXECUTIVE® Diameter Tape is designed for measuring diameters of pipe, cable, tyre or any circular object. It has a yellow-clad tape with easy-to-read bold graduations. Zero falls in the same place on each side of the blade. A spring-action returns the blade to the polished chrome case. Model W606PD shows diameter inches to 100ths, W606PM to millimetres.1 x Crescent Lufkin® W606PM EXECUTIVE® Diameter Tape 6ft (Width 1/4in)Additional Information:Length (ft): 6Blade Width (mm): 6