Personal desktop three-hole punch is fully adjustable with calibrated centering device for punching accuracy. Use to punch 9/32" holes into 11 sheets of 20 lb. paper in any two-hole or three-hole combination. Adjustable, three-hole punch also offers a built-in paper guide and no-mar, removable base/chip catcher.OIC90095. 90095. Officemate Officemate OIC Adjustable Three-Hole Punch.