Quickly and accurately determine the screws size Recommends the drill bit or tap size needed for the screwStandard & MetricConstructed of thick hard plastic for lasting durabilitySmooth easy to clean surface that resists oil and grease#0 to 3/4" coarse and fine thread1.6mm to 16mm metricA shop essential, this sturdy lightweight plastic gauge will easily fit in your shirt pocket or tool chest drawer. This is a must have for the professional mechanic or home hobbyist for quickly measuring those fasteners in your shop drawers.
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