Internal circlips are a type of circlip that is inserted inside the bore of a cylindrical shaft and forces the shaft outward. To install a clip, the installer uses a specific plier that fits into the clip’s holes and allows them to easily compress and contract the clip to get it in the right place. These clips are able to fit so tightly and consistently within a cylindrical assembly because of the force created by the spring tension of the clip. The amount of spring pressure created is significantly influenced by the diameter and thickness of the clip.