Digital Socket Sizing Tool

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With the Digital Socket Sizing Tool, you’ll never have to measure twice again! After calibrating your device, align the calipers around the bolt head or nut you wish to measure, th en press the “hold” button to save its size — a precise measurement will then be reflected on the digital display screen. It also identifies the inner and outer diameters of piping, along with a variety of other household objects. Ideal for mechanics, carpenters, plumbers, electricians, engineers, etc. Measures Wrench/Socket sizes in SAE and Metric (1/4" and 6mm through 2 1/8” and 54mm ranges). Runs on 1 watch battery (included). Show more