The Gladius

the gladius, meaning sword, was the main weapon and the life of a roman solider. through out the century's, the gladius has changed its shape copying the Spanish in the early part of the Spanish invasion, to the Greeks in the 3rd century BC. contrary to popular belief, the gladius could be used for both stabbing and slashing. the hilt of the swords, ussaly made of a high class material, were extremely elaborate especiily thoughs of the officers and allighnment.
Weight
1.2-1.6 kg(should be ~700g)
Length
64-81 cm(sword length should be ~60cm)
Width
4-8 cm (blade width should be ~5cm)

(information privided by http://en.wikipedia.org/wiki/Gladius)