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Different Drill Gauges: 4 - 6 - 8 - 10 - 12 - 14 - 3/16- 1/4 - 5/16 -3/8- 7/16 - 1/2.
Quick and Precision Identification: The nut and bolt thread checker is made of CNC-machined anodized aluminum alloy plate and hardness SUS304 stainless steel studs, ensuring maximum thread strength and ultimate precision. Identify any bolts nuts in seconds, No more guessing size and use mismatched hardware.
Separate Dual-Board Design: The thread checker standard and metric is split two-piece design, easier to hold in one hand and identify threads anywhere anytime. Compact design and space-saving. Features 4 hanging holes and 8 anti-slip silicone feet, suitable for hanging on the wall or using on the workbench.