Definitely needs two for installation. Once installed door would not swing. Took hinge apart and there was a keeper tightened for rigidity that needed to be loosened. This was NOT mentioned in instructions.

Terrible Design

purchased this item for a new shower in our rental property. The concept was great, it fits a small space, and looks sharp. However, the weight of the glass does not allow for the door to remain square and the right side (with the handle) slips down no matter how tight you make the hinges. Once that happens you cannot open the door as the hinges are on an angle. You have to pull the right side up so the hinges are level and it can open properly. This has become a liability for our rental unit and the door will have to be removed before someone forces it and shatters the panels. The picture does not show the extent of how far it can slip down on the right.

Nice looking. Just received but seems like good quality. So far would recommend.