What is a key feature of the Horn Socket fishing tool?

The key feature of the Horn Socket fishing tool is its slotted, tapered structure. This design allows the tool to grip and retrieve a variety of objects from a borehole, which may include items that have become stuck in the well during drilling or well maintenance. The slotted taper creates a secure fit that effectively captures the object to be retrieved without causing damage.

In the context of fishing tools, the slotted, tapered structure is crucial as it enhances the tool's ability to engage with various sizes and shapes of the stuck items. This design feature is particularly beneficial when dealing with irregularly shaped debris or equipment parts.

Other features, while beneficial in different contexts, do not define the Horn Socket as effectively. The threaded design is common in many types of connectors and tools, and the tool's primary function does not emphasize cutting capabilities or hydraulic mechanisms, which are not features associated with the Horn Socket itself. Instead, the effectiveness of the tool lies particularly in its ability to taper and slot to provide the necessary grip and retrieval efficiency.