Hummer Heavy-Duty Three-Hole Punches

Punch heads are adjustable and interchangeable; adjusts to any distance between centers, from 13/16" to 8-1/2". Maximum distance from center of holes to edge of sheet is 1/2". Adjustable side gauge and measurement scale for accuracy. Base, heads and lever are made of high-strength zinc alloy. Lever returns to upright position after punching. Rubber feet prevent marring of work surface. Base size: 6-1/4"x11" with removable chip pan.