lt;stronggt;SWI74520lt;/stronggt;lt;BR/gt;Swingline Optima 20-Sheet Capacity Electric Three-Hole Punchlt;BR/gt;Modern design is compact to save desktop space and easily fit in your hand. Electric or battery operation. Alignment indicators for precise three-hole punching. Transparent, hinged chip drawer. Oversized activation button offers quick, efficient operation. Automatic reverse feature releases jammed paper. Operates on six AA batteries sold separately or AC adapter included. Sheet Capacity: 20 Operating Method: Electric/Battery-Operated Number of Holes: 3 Hole Diameter: 9/32amp;quot;.lt;BR/gt;lt;BR/gt;lt;stronggt;UNV12113lt;/stronggt;lt;BR/gt;Swingline Optima 20-Sheet Capacity Electric Three-Hole Punchlt;BR/gt;Classic folder constructed to resist tearing. Bottom triple-scored for no-sag expansion. Undercut at tabs for increased indexing area. 11 pt. Manila stock. File Folder Type: Top Tab Size: Letter Folder Material: 11 pt. Manila Colors: Manila.