【Two models available】-There are two regular and upgraded models, 29-hole and 56-hole, available. The black regular model can be used for daily screws and nuts. The red upgraded model is compatible with most screws and nuts.

【QUICK IDENTIFICATION】-Simply screw the nut or bolt onto our thread checker and instantly measure the size. Our standard and metric thread checkers allow you to quickly and easily check nuts and bolts for the correct size, making it easy to replace broken, loose, rusted, or worn parts.

【EXCELLENT QUALITY】-The bolt and nut Identifier gauge is crafted from thickened aluminum alloy and hardness SUS304 stainless steel thread, very sturdy and well-made

【EXTENSIVE SIZE DETECTION】-With 28 distinct sizes, our nut and nolt thread checker excels in identifying 14 metric thread sizes and 14 standred threads size. It's a comprehensive tool for quickly identifying the right thread size and pitch.

【STRONG AND PORTABLE 】-Thread Checker is crafted from lightweight 6061 aluminum, featuring enduring, easy-to-read laser-etched markings. Its sturdy design allows you to take it to different workplaces effortlessly.

【HIGH-PRECISION】-The Thread Checker is manufactured with high-precision machinery to ensure that every bolt and nut meets Go & No Go Class 2B ANSI standard specifications. It also ensures accuracy and top quality.

【MULTIFUNCTIONAL DESIGN-Built-in ruler with 6 inches and 15cm on both sides, the screw thread gauge helps you quickly identify different lengths of bolt, screw, and nut.

Specifications : 

• Color: Red/Black
• Weight: 900g/200g
• Material: Aluminum
• Size: 50*10*2.5cm

Package Includes:

• 1 × Nut and Bolt Thread Checker

NOTE

• Please allow slight measurement errors due to manual measurement.
• Due to the different monitor and light effects, the actual color of the item might be slightly different from the color shown in the pictures.