Martin Yale 5325B Master 5000 Series Hole Punch, Black, 9/32" Hole Diameter, Up To 32-sheets of 20 Pound Bond Paper, Adjustable Heads for 2-3 Hole Punching Lever handle provides easier punching Punches up to 32 sheets of 20-lb bond paper Adjustable heads for convenient 2 or 3-hole punching Accepts 2 - 7 punch heads Adjustable ruled paper guide with large capacity paper chip pan