What type of movement does an eyebolt allow?

The correct answer is that an eyebolt allows for up and down movement. An eyebolt is designed with a loop at the end, which provides a point for attaching ropes, chains, or other materials used in lifting or pulling. When an eyebolt is anchored securely, the primary type of movement it facilitates is vertical—connecting loads that need to be raised or lowered.

While eyebolts can also permit some limited motion in horizontal planes depending on the application and how they are secured, the primary and intended use is for vertical lifting. This characteristic makes them particularly useful in various mechanical and rigging applications where vertical movement and stability of the load are critical.

Other options might imply different types of movement not typically associated with eyebolts, as they do not focus on the specialized use of eyebolts for vertical attachment and load management.