Ultra-small size, effortless and comfortable to handle, high-precision patented scale hook - capable of measuring both inner and outer diameters, high-performance spring, with a normal service life exceeding 10,000 cycles.

CR-MO ratchet head, made of high-quality steel, features a bidirectional ratchet, oil resistance and anti-slip properties, is sturdy and durable, resistant to rust, and supports both forward and reverse rotation, providing effortless and worry-free use.

The product is precisely forged and shaped as a whole, with torque output in compliance with American standards.