Stiletto be employed along with the dagger as a fighting weapon; a 1536 dueling treatise authored by Achille Marozzo, "Opera Nova", contains sections on dagger and stiletto fighting. By the time of the Renaissance, the term stiletto had come to describe a range of slender thrusting knives closely resembling the French poignard, many with conventional dagger-profile blades and sharpened edges, but always retaining the slim profile and needle-like point. To lighten the weapon, many stilettos were equipped with blades carrying fullers over a portion of their length. The stiletto remained a popular weapon of criminals or political assassins from the 16th
Stiletto which was shaped and turned on a lathe. The stiletto blade was usually hammer-forged into a dense rod with a narrow, triangular cross-section, without any sharpened edges. However, other examples of the period have emerged bearing round, square, or diamond cross-sections. The Italian word "stiletto" comes from the Latin "stilus", the thin pointed Roman writing instrument used to engrave wax or clay tablets in ancient times. The stiletto began to gain fame during the late Middle Ages, when it was the secondary weapon of knights. Originally designed as a purely offensive weapon, the stiletto was used to finish off a