Features: The 38 Nut and Bolt Thread checkers is essential tool for quickly verifying thread size and pitches on screws, bolts, and Nut, making it a must get for precisions work. Crafted from hardened steel with corrosion resistant platings, this gauges measuring tool meets standards, ensuring measurements each time . Suitable for professional technicians, engineers, mechanics, and enthusiasts who demand accuracy in their projects and repairs. small at only 9.45 inches long, this hand thread checkers can be conveniently hang on a tool wall or used any workbenches, providing versatilities in various working environment. Enhances your toolkit capabilities with this user friendly nut and bolt gauges, designs to your and improve efficiency in identifying the correct hardware for your tasks. Specifications: Material: aluminum Size: about 250x240x25mm Package Includes: 1x38 Hole Thread checkers Board note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before your bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.