Features: Spring assisted high leverage action for easy operation. 3 hole punch. Punches through 150 sheets of paper. All metal robust construction. Guide bar. Anti skid feet to avoid desk top from scratches. Specifications: Punching Capacity : 150 Sheets of 75~80 gsm paper No. of Holes : 3 Hole Distance : 108x108mm Punching Dia : 6 & 7 mm