Auto Cutter Plastic
Twist-Lock Professional Heavy
Duty Cutter Knife

Turn the twist on back to improve stability of blade.
Push the button completely forward to release used blade.
Move the lock to open the cartridge for refilling new blade.
*Sanp-off dull blade to instantly expose a new fresh sharp point.
*Easy slide the "blade Lock" forward to advance blade.
After lasttip is used, slid "Blade Lock" forward and remove used blade.
Slide the "Blade Lock" all the way back to automatically load nest blade.

Q'ty: 12/72pcs 
G/N: 10/9
Meas: 39x26x38cm