Swingline SWI8912 SmartCut EasyBlade Plus Rotary Trimmer, 15 Sheets, Metal Base, 11 1/2 x 20 1/2

Eliminate guesswork and increase safety with this rotary paper trimmer. Features include a blade wear indicator that changes from green to red when it is time to change the blade, plus the rotary cutter design conceals the blade edge inside the cartridge.