Automatic Centering Two-Hole Punch delivers ultimate precision alignments every time. Exclusive Centamatic centering feature & rugged metal paper guide ensure consistent & accurate centering. Durable all-metal construction provides years of exceptional performance. Superior cutting action with patented pin technology delivers clean & precise 1/4" holes. Efficient locking handle allows easy storage. Marproof feet prevent skidding. Sturdy, workhorse punch also features a 2-3/4" center & punches 22 sheets of 20 lb. paper.