Fiskars 01-003289 Rock Paper Trimmer 12-Inch Rotary Trimmer with MP3 Adapter and Built-In Speakers 12-inch rotary trimmer with MP3 player adapter and built-in mini speakers Measurements in inches and centimeters; replaceable 4-sided cutting strip Softgrip blade carriage; paper grip under guide rail prevents paper from slipping Comfortable carrying handle; uses Fiskars replacement-blade style "B" Measures 19-1/2 by 12-4/5 by 3-1/2 inches; limited lifetime warranty