WORKPRO Retractable Utility Knife and Self-retracting Safety Box with 2 Extra Blades Included

Quick Change Blade Mechanism:

Please follow the steps for changing the blades (Please be informed that blades are changed when the balde is in the 1st position)

• Press the button of the blade;
• Release the blade;
• Change the blades;
• Accepts all standard utility blades

Retractable Safety Blade Mechanism:

• Blade retracts once it leaves the cutting surface when the blade is in the 4th position