Revolutionary ease-of-use design requires 50% less punching effort than any punch in its class. Also features breakthrough jam-free performancepunch heads and comfortable lever handle are fused into one mechanism, delivering full pin control. Features three punch heads adjusts to hold two to seven additional heads sold separately. Clear slide-out chip tray for easy clean-up. Sheet Capacity: 40 Operating Method: Manual Number of Holes: 2-7 Hole Diameter: 9/32amp;quot;.