LOCK BACK 2-IN-1 UTIL KNIFE2-in-1 Utility Knife Self Retracting Safety Knife and Standard 2 Position Retractable Blade - Quick Release Mechanism for Easy Blade Removal - Comfort Grip Handle for Ease of Use - Twine Cutter and Lanyard Loop - 5 Blade Storagele for Ease of Use - Twine Cutter and Lanyard Loop