A projecting or sharp corner; an angular fragment.

An extruded length of material, usually plastic,aluminum, or steel, in the shape of an L (right angle). A structural angle has rounded, or radiused, interior corners and more inherent strength than architectural angle, which has crisp, 90-degree interior corners.

Common term for the aluminum material which is used as an outer corner covering on shipping cases.

A shape consisting of two straight legs meeting in a right angle, usually but not necessarily of equal length and with a sharp or slightly rounded corner and with or without fillets. See Figure 1.

An outer corner covering made of aluminum that is on shipping cases.