The Zenith "591" is the same as the Zenith "590", apart from the tiniest difference in staple size (not visible to the eye). Why does the "591" exist? Because this slight difference makes it compatible with standard #10 staples, prevalent in many markets, including Asia.

Light, efficient and easy to use, featuring ABS 'anti-shock' plastic top and a 200 staple loading capacity. Painted with lead-free enamels with high resistance to wear and corrosion. Features patented anti-jamming device.

Staples 15 sheets with included staples.
1.81" depth (46mm)
Includes one box of 1000 Z-110 staples, with additional staples sold separately.

Made in Italy