M&G's ABS92717 Faster 30 Metal 2-Hole Punch Machine punches up to 30 sheets of 80gm with safe lock and base having 80 mm hole distance bearing 7mm hole diameter. Having a built-in ruler for precise punching. Constructed of durable metal and a non-slip ABS Soft base Punching Capacity: 30 Sheets of 80 gm Safe Lock, Built-in Ruler Precise Punching Punching Depth: 12mm. Punching Diameter: 7mm. Punching Hole Distance: 80mm Non-slip ABS Soft base