handle is a part of, or an accessory to, an object that can be moved or used by hand. The design of each type of handle involves substantial ergonomic issues, even when these are treated intuitively or following tradition. A latch or latch is a type of mechanical fastener that joins two or more objects or surfaces while allowing them to be separated regularly. A latch typically attaches to another piece of hardware on the other mounting surface. Depending on the type and design of the latch, this piece of attached hardware may be known as a retainer or strike. Characteristics. Evolution Latch Handle. Made with high quality material. Specifications: Length: 3.75 inches. Width: 11.55 inches. height 2.5