Feature(may vary by option.)

●[Nut & bolt thread checker] -- The nut and bolt thread checker is made of hardened alloy steel or high-carbon steel,which is hard and wear-resistant,and finished with corrosion-resistant plating.
●[HIGH QUALITY] -- The bolt and nut identifier gauge are checked with go & no-go gauges.Conforms to Class 2B/2A ASME/ANSI and ISO standards.this most comprehensive set includes M2.0 to M16 in metric and 2# to 5/8 in inch(total 40 types).
●[HUMAN DESIGN] -- The bolt & nut identifier gauge made of aluminum alloy panel with anodized finish,soft blue color,humanized design.Laser-etched markings on the surface,extra large font for easy reading.The thread checker includes rules for millimeters and inches to measure bolt length.
●[RELIABLE and STRONG] -- All nuts are actually heat-treated high-carbon steel material with more than enough thread depth to ensure it can differentiate between SAE (standard) and metric threads without miscalculation.For example, 9/16-12 and M14x1.5 can only be identified if there is sufficient depth to the thread.
●[UPGRADE DESIGN] -- The nut and bolt thread checker is split two-piece design suitable for hanging on the wall or using on the workbench.The most compact size,just the size of the palm of your hand,could be hung or screwed to a wall.

[40pcs Thread Checker]





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Tabletop or hanging use

Metal Body,Durable.

Hardware Stores,Auto Repair Shops,Household Essentials.