The sword developed from the dagger when the construction of longer blades became possible, from the late 3rd millennium BC in the Middle East, first in arsenic copper, then in tin-bronze. The oldest sword-like weapons are found at Arslantepe, Turkey, and date to around 3300 BC. However, it is generally considered that these are longer daggers, and not the first ancestors of swords. Sword blades longer than 60 cm (24 in) were rare and not practical until the late Bronze Age as at longer lengths the tensile strength of bronze starts to decrease radically, and consequently longer blades would bend easily. It was not until the development of stronger alloys such as steel, and improved heat treatment processes that longswords became practical for combat. They were also used as decorations.
Sigma Impex Inc was founded in New York City over 20 years ago. Since then,
Sigma Impex has become a major wholesale supplier for leading department stores
in the United States. Sigma Impex owes its continuing success to its pursuit of excellence,
and prides itself on both the quality of its products and the professionalism of its service.
In 2010, Sigma Impex launched their online knives store sknives.com in the United States.
Here Sigma Impex offers their full line of knives online at wholesale prices. Items purchased
online can only be shipped within the United States.
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