Powerful workhorse features a T-handle design for increased leverage & easier punching action. Patented technology delivers precision cutting of holes in letter, legal & A4 size paper. Metric & inch positioning on face plate. Heavy-duty steel. Nonskid base won't damage desk. Replacement SetIncludes four punch heads & slide-out, front-access chip tray. Sheet Capacity: 40; Operating Method: Manual; Number of Holes: 2 to 4; Hole Diameter: 9/32".