The tool features a central shaft that serves as the primary handle and structural backbone. At its working end, it bifurcates into two distinct, yet connected, functional prongs.

• In authorized scenarios, such as bank operations, a Lishi tool designed for safe deposit box locks can be used. When a renter loses their key, officials can use the tool to decode and open the box without drilling the expensive lock.

• Individual Lishi tools are compact, typically measuring around 20cm in length or less, making them easy to organize and carry. To function correctly, each tool is machined to extremely tight tolerances for a perfect fit and accurate measurements.

• Work in a strict, methodical order: Pin 1, then Pin 2, then Pin 3, and so on. The tool is designed for linear, sequential decoding, which prevents confusion and missed pins.