Check the listing for details. Screw Thread Gauge | Metric and SAE | Recommends Drill Bit & Tap Size (BCP675). Condition: New. Listed at 14.12 USD. Quickly and accurately determine the screws sizeRecommends the drill bit or tap size needed for the screwStandard & MetricConstructed of thick hard plastic for lasting durability. The color of the gauge may vary depending on stockSmooth easy to clean surface that resists oil and grease 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 durability. The color of the gauge may vary depending on stockSmooth easy to clean surface that resists oil and grease#0 to 3/4" coarse and fine thread1.6mm to 16mm metric A 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.