Pi Tape Measurement
Pi Tape Measurement. If playback doesn't begin shortly, try restarting your device. It is calibrated so that each inch is 3.142 inches long or pi (π) inches long. Pi Tape Measure for Outside Diameter Measurement Gilson Co. from www.globalgilson.com Are manufactured for various diameter ranges and for either outside diameters. It is calibrated so that… Read More »