The Optima® 50 is an automatic, high-capacity stapler engineered for quality and performance. Staples from 2-25 sheets with standard staples. For sheet capacities of 25-50 sheets, Optima® high-capacity staples are required. Solenoid technology delivers fast stapling - 3X faster than standard electric staplers. Engineered for Jam-Free use. QuickLoad™ - easy, push-button staple loading. Low staple indicator. Suction cup mounting on base for stable operation. includes 5,000 Optima® high-capacity staples and a staple remover. Limited 7-year warranty.