The Antibacterial 548/E stapler is treated with silver ions technology which makes the stapler resistant to bacteria - especially suitable for situations where a stapler is shared or where the prevention/resistance to bacteria proliferation is important*. The functionality of stapler is not impaired (of course!) Striking shade of green. Each stapler is hand tested before leaving the factory. *very high antibacterial resistance evaluated according to ISO 22196-2011 Why it's special: Durable and corrosion resistant lead-free and cadmium-free enamel painting with highly functional additive for releasing silver ions Patented anti-jamming device Designed by Aldo Balma in 1948 Detailed specs: Body: painted metal Staples 15 sheet with included staples (up to 30 with "long leg" staples) Capacity: 100 staples Max stapling depth (for paper insertion): 47mm Compatible with 6/4 and 6/6 staples Box of 1000 130/E Zenith staples included Weight 278g / 9.8 oz Warranty: Lifetime warranty for manufacturing defects Made in Italy by Balma & Capoduri