CMXSEVENDAY No.97B0 Handheld 1-Hole Paper Punch, 1/4" Hole Size, 8 Sheets Capacity Single Hole Punch: The round hole diameter reached 1/4 Inch (6mm); Depth into the paper: 20mm Metal Construction: Chrome-faced; Front end buffer, easy to fix paper holes in operation Save Effort: Using the lever principle, you can complete the operation by one hand 8 Sheets of Copy Paper ( 70g ) Capacity: Can punch 8 x A4 sheets of paper at one time; Carry the confetti collection device for easy cleaning Soft Rubber Handle: to prevent slipping, grip more comfortable