The Double Plus Self-retracting Knife has an auto spring back blade for extra safety, still retracting if control over blade is lost.

Features:

• Automatic self retracting blade system reduces injuries
• Blade still retracts if contact is lost even when slider is still pushed forwards
• Rounded thumb slider can be used from both sides or the top
• Rubberized grip avoids slipping
• Easy blade changes with no tools
• Round point blade protects carton contents
• Replacement blades: CUTT4030
• Each