NUT AND SCREW GAUGE

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NUT AND SCREW GAUGE Super-handy measuring tool for fast and accurate identification of fastener sizes Measures bolt/nut, screws by shaft or head size, drill bit diameter; rulers for length, thread count Includes SAE, Metric and ISO sizes & identifiers Screw & bolt sizes: SAE #6 - 3/4"; Metric M6 - M20 Saves time, helps prevent sizing errors, rugged thermo-plastic construction; 9"L x 4"W